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Keywords: ct
MO-AB-KDBRA1-2A Stationary Computed Tomography Module Using Photocathode-Driven X-Ray Sources
A Cramer1,2* , J Hecla1 , D Wu2,3 , X Lai2,3 , K Yang2,3 , T Moulton3 , S Kenyon4 , Z Arzoumanian4, W Krull3 , K Gendreau4 , R Gupta2,3 , (1) Massachusetts Institute of Technology, Cambridge, MA, (2) Harvard Medical School, Boston, MA, (3) Massachusetts General Hospital, Boston, MA, (4) NASA's Goddard Space Flight Center, Greenbelt, MD.
MO-AB-KDBRA1-9Optimization of a Spectroscopic Photoacoustic Imaging Technique to Noninvasively Assess Oxygen Saturation in Murine Femoral Bone Marrow
C Wood1,2*, K Harutyunyan1, J De La Cerda1, C Kaffes1, M Konopleva1,2, R Bouchard1,2 (1) The University of Texas MD Anderson Cancer Center, Houston, TX, (2) The University of Texas MD Anderson Cancer Center UTHealth Granduate School of Biomedical Sciences, Houston, TX
MO-C930-GePD-F1-1A New Registration Method Based On Surface Image Guided Radiation Therapy
Jianfeng Zhao1,Pu Huang1,Lei Xing2, Steven Yi4, Bao Zhang3,Frank Meng4, Dengwang Li*1,(1) Shandong Normal University, Jinan, Shandong(2) Stanford University, School of Medicine, Stanford, California(3) Nanjing Hummingbird Hechnology co. Ltd, Nanjing, Jiangsu(4) Xyken LLC, Vienna, Virginia
MO-C930-GePD-F1-2Accurate Calcification Detection On Cone-Beam Breast CT From Very Few Projections
C Fang1, L Shi2 , L Zhu1* , (1) University of Science and Techonology of China, Hefei, Anhui, (2) Stanford University, Stanford, CA, (3) University of Science and Technology of China, Hefei, Anhui
MO-C930-GePD-F1-3CT Image Reconstruction for Defective Detector Based On ART-TV Algorithm
C Yuan1*, Z Chen2 , H Qi3 , B Li1 , J Ma1 , N Luo1 , S Wu3 , L Zhou1 , Y Xu1 , (1) Southern Medical University, Guangzhou, Guangdong, (2) Shantou Central Hospital, Shantou, Guangdong, (3) Guangzhou Huaduan Technology Co. Ltd., Guangzhou, Guangdong Guangdong
MO-C930-GePD-F1-4Investigation of Radiation Dosimetry Method in IGRT
Y Katsuragawa1*, N Hayashi2 , Y Adachi3 , Y Muraki3 , Y Sugiura3 , K Yasui2 , M Kobayashi1 , (1)Graduate School of Health Sciences, Fujita Health University, (2) School of Health Sciences, Fujita Health University, (3) Department of Radiology, Seirei Hamamatsu General Hospital,
MO-C930-GePD-F2-1Evaluation of Different Auto-Segmentation Methods for Prostate Radiotherapy
M Cloutier*, S Hsu , L Goddard , A Basavatia , W Tome , Montefiore Medical Center, Bronx, NY
MO-C930-GePD-F2-5Testing and Implementation of Atlas Based Segmentation for Radiotherapy Treatment Planning
M Jameson*, J Hellyer , C Choong , G Dinsdale , Ingham Institute & Liverpool Cancer Centre, Sydney, NSW
MO-C930-GePD-F3-5Performance Evaluation of An Atlas-Based Machine Learning Approach for Automated Prostate Radiotherapy Planning
L Conroy*, C McIntosh , A Berlin , M Tjong , P Chung , T Craig , T Purdie, Princess Margaret Cancer Centre, Toronto, ON
MO-C930-GePD-F5-3Effect of Deformation Parameters On Deformable Image Registration Mapping of Simulated Pulmonary Ventilation Using a New Non-Rigid Ventilating Phantom
S Miyakawa1*, H Tachibana2 , S Moriya3 , T Nishio1 , (1) Tokyo Women's medical University, Sinjuku, Tokyo, (2) National Cancer Center Hospital East, Kashiwa, ,(3) University of Tsukuba, Tsukuba, Ibaraki
MO-C930-GePD-F5-5Evaluation of the Dose Delivery Accuracy and Its Dependence On Imaging Modality and Deformable Image Registration Algorithm in Prostate Cancer Patients
J Hammers1*, S Pirozzi2 , D Lindsay3 , O Kaidar-Person4 , N Papanikolaou5 , S Stathakis6 , R Chen7 , S Das8 , P Mavroidis9 , (1) ,Chapel Hill, NC, (2) MIM Software Inc., Cleveland, OH, (3) University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, (4) Rambam Health Care Campus, Haifa, ,(5) Ut Health San Antonio, San Antonio, TX, (6) University Of Texas Health, San Antonio, TX, (7) UNC Health Care, Chapel Hill, NC, (8) University of North Carolina, Chapel Hill, NC, (9) university North Carolina, Chapel Hill, NC
MO-C930-GePD-F6-2The Value of Quantitative CBCT Images Parameters Variations in Prediction of Early Response to Chemoradiotherapy in NSCLC
Q Wen*, J Zhu , Q Qiu , C Ma , X Meng , Y Yin , J Yu , Shandong Cancer Hospital Affliated to Shandong University, Jinan, Shandong Province
MO-C930-GePD-F6-6Effect of CBCT Field of View On Calculation of Head and Neck PTV Coverage
R LJ Qiu*, N Joshi , N Woody , S Koyfman , A Godley , The Cleveland Clinic, Cleveland, OH
MO-C930-GePD-F7-3Commissioning and Validation of the Dolphin Transmission Detector and Compass Software
T Knewtson1*, S Pokhrel1 , A Wiles1 ,A Baker3, M Ballo1,2 , E W Izaguirre1,2 , (1) university Tennessee Health Science Center, Methodist university Hospital, Memphis, TN., (2) West Cancer Center, Germantown, TN., (3) Methodist Healthcare, Memphis,TN.
MO-C930-GePD-F7-5Measurement of MLC Leaf Offset Behavior Using An Electronic Portal Imager
B Barraclough*, D Jacqmin , University of Wisconsin, Madison, WI
MO-C930-GePD-F8-6Tumour Signal Enhancement Volume Increase in DCE-MRI After Single Fraction SBRT of Early Stage Breast Cancer
M Mouawad1,2,3*, H Biernaski2 , M Brackstone3 , M Lock3 , A Kornecki4 , O Shmuilovich4 , I Nachum4 , F Prato1,2 , R Thompson1,2 , S Gaede1,2,3 , N Gelman1,2,3 , (1) Western University, London, Ontario, Canada (2) Lawson Health Research Institute, London, Ontario, Canada, (3) London Regional Cancer Program, London, Ontario, Canada, (4) St. Joseph's Health Center, London, Ontario, Canada
MO-E115-GePD-F2-2Radiomics-Based Outcome Prediction Model Development ForPancreatic Cancer
D Zheng1*, M Baine1 , C Zhang2 , Q Du2 , X Liang3 , A Kamal1 , H Yu2 , (1) University of Nebraska Medical Center, Omaha, NE, (2) University of Nebraska Lincoln, Lincoln, NE, (3) University of Florida, Jacksonville, FL
MO-E115-GePD-F2-4Longitudinal Changes of Cone Beam Computed Tomography Based Radiomics Features During Chemoradiotherapy for Locally Advanced Lung Cancer
L Shi1*, Y Rong1 , M Daly1 , B Dyer1 , S Benedict1 , P Wang2 , J Qiu2 , T Yamamoto1 , (1) University of California Davis Comprehensive Cancer Center, Sacramento, CA, (2) Taishan Medical University, Taian, Shandong
MO-E115-GePD-F2-5Radiomics Analysis of Contrast-Enhanced CT Images for Detection of Human Papilloma Virus in Patients with Oropharyngeal Cancers
H Bagher-Ebadian*, C Liu , F Siddiqui , N Wen , B Movsas , I Chetty , Henry Ford Health System, Detroit, MI
MO-E115-GePD-F4-2Feasibility of Online SRS with MRIdian: Dosimetric Comparison of MRIdian to TrueBeam with HDMLC
M Malin*, E Lobb , M Stevens , G Redler , K Yenice , B Aydogan , The University of Chicago Medical Center, Chicago, IL
MO-E115-GePD-F4-6Development of a Fine to Coarse MLC Conversion Tool: Dosimetric Impact of Transferring SRS Patients Mid-Treatment
A Hudson*, N Ploquin , K Thind , G Pierce , University of Calgary, Calgary, AB, Tom Baker Cancer Centre, Calgary, AB
MO-E115-GePD-F5-2Daily Edge Deformation Prediction Using Artificial Neural Network Regression for Prior Contour Based Total Variation Reconstruction (PCTV-ANN) for Low Dose CBCT
Y Chen1*, K Lafata2 , F Yin3 , L Ren4 , (1) Duke University, Durham, NC, (2) Duke University, Durham, NC, (3) Duke University Medical Center, Durham, NC, (4) Duke University Medical Center, Durham, NC
MO-E115-GePD-F6-2Dose-Dependent Changes in Regional Lung Function Detected 6-12 Weeks After Radiation Therapy: A Novel Application of Hyperpolarized-129Xe MRI
L Rankine1*, Z Wang2 , C Kelsey3 , S Das1 , L Marks1 , B Driehuys2 , (1) Department of Radiation Oncology, The University of North Carolina at Chapel Hill, Chapel Hill, NC, (2) Center for In-Vivo Microscopy, Duke University, Durham, NC, (3) Department of Radiation Oncology, Duke University Medical Center, Durham, NC
MO-E115-GePD-F6-6A Method to Assess Spatial Tumor Response Based On Texture Analysis of Daily CTs Acquired During Radiation Therapy
D Schott1*, W Hall1 , T Schmidt2 , G Noid1 , P Knechtges1 , B Erickson1 , X Li1 , (1) Medical College of Wisconsin, Milwaukee, WI, (2) Marquette University, Milwaukee, WI
MO-I345-GePD-F2-3Comparison of Beam Characteristics and Organ Doses for a Proton Gantry-Mounted CBCT System Modelled with MCNP6 and GATE
O Ardenfors1*; 2, T Henry1; 2, I Gudowska1; 2, G Poludniowski3 , A Dasu4 , (1) Stockholm University, Stockholm, Sweden, (2) Karolinska Institutet, Stockholm, Sweden, (3) Karolinska University Hospital, Stockholm, Sweden, (4) The Skandion Clinic, Uppsala, Uppsala
MO-I345-GePD-F2-5Initial Evaluation of Dual-Energy CT Based Proton Dose Calculations in Two Commercial Treatment Planning Systems
S Mossahebi1,2*, J Polf1,2 , H Chen1 , M Mundis2 , K Langen1,2 , (1) University of Maryland Medical School, Baltimore, MD, (2) Maryland proton treatment center, Baltimore, MD
MO-I345-GePD-F3-4Measurement of Output and Percent Depth Dose (PDD) for Small Stereotactic Radiosurgery (SRS) Cones Using Semiconductor and Microdiamond Detectors
E Lief1*, G Dawson2 , J Restrepo3 , G Beyer4 , P Jeffe5 , A Cheuk6 , (1) VA Medical Center, Pelham, NY, (2) J.J. Peters Bronx VA Medical Center, Bronx, NY, (3) J.J. Peters Bronx VA Medical Center, Bronx, NY, (4) Medical Physics Services, LLC, Miami, FL, (5) J.J. Peters Bronx VA Medical Center, Bronx, NY, (6) J.J. Peters Bronx VA Medical Center, Bronx, NY
MO-I345-GePD-F6-2Exploration of Micro-CT to Guide Breast Conserving Surgery
D McClatchy1*, R Zuurbier2 , W Wells2 , B Maloney1 , K Paulsen1 , B Pogue1 , (1) Dartmouth College, Hanover, NH, (2) Dartmouth Hitchcock Medical Center, Lebanon, NH
MO-I345-GePD-F8-4Modification of the ACR Phantom and Analysis Procedures for 7T Clinical MRI Scanner Testing
D Lanners1*, P Trester1 , Y Shu1 , Z Bao1 , J Felmlee1 , A Fagan1 , (1) Mayo Clinic, Rochester, MN
MO-K-DBRB-2Improved PET Quantification by Adaptive Denoising and Regularized Image Reconstruction: A Feasibility Study
M Namias1*, R Jeraj2 , (1) Fundacion Centro Diagnostico Nuclear, Buenos Aires, Argentina, (2) University of Wisconsin, Madison, WI
MO-K-DBRB-7Automatic Extraction and Tracing of Small Bowel Morphology Based On MR Enterography
D Ruan*, D Karimi , E Boehnke , m douek , P Hu , D Low , K Sheng , M Steinberg , UCLA, Los Angeles, CA
MO-K-KDBRC-1Automated Standardization of Organ Labeling in Head and Neck Using Deep Learning
T Rozario*, D Nguyen , M Lin , T Long , M Chen , W Lu , S Jiang , UT Southwestern Medical Center, Dallas, TX
MO-K-KDBRC-3Automated Detection of Vertebral Body Metastases for Fully-Automated Palliative Radiotherapy Using Transfer Learning
T Netherton*, C Cardenas , A Klopp , P Balter , C Chung , C Peterson , R Howell , L Court , The University of Texas MD Anderson Cancer Center, Houston, TX
MO-K-KDBRC-5Incorporating L0-Norm Regularization Into Cycle-Consistent Generative Adversarial Network (cGAN) for MR-To-CT Translation
H Kim1*, H Lee2 , J Kwak1 , C Jeong1 , B Cho1 , (1) Department of Radiation Oncology, Asan Medical Center, Seoul, Seoul, (2) Korea Advanced Institute of Science and Technology, Yuseong-gu, Daejeon
SU-E-202-5Imaging of Monochromatic Beams by Measuring Secondary Electron Bremsstrahlung for Carbon-Ion Therapy Using a Pinhole X-Ray Camera
M Yamaguchi1 , S Yamamoto2*, Y Nagao3 , K Ando4 , N Kawachi5 , (1) National Institutes for Quantum and Radiological Science, Takasaki, Gumma, (2) Nagoya University Graduate School of Medicine, Nagoya, ,(3) National Institutes for Quantum and Radiological Science, Takasaki, Gumma, (4) Nagoya University, Nagoya, Aichi, (5) National Institutes for Quantum and Radiological Science, Takasaki, Gumma
SU-E-202-7A Study On the Influence of Changing the Motion Recognition Rate On the Dose Accuracy of Spot-Scanning Proton Therapy
T Sodeta1 , T Matsuura1*, S Takao1 , S Hirayama1 , T Kanehira2 , N Miyamoto1 , K Nishioka1 , N Kato1 , S Shimizu1 , K Umegaki1 , H Shirato1 , (1) Hokkaido University, Sapporo, Japan, (2) The Netherlands Cancer Institute, Amsterdam, Netherland
SU-E-205-1An Automated Software Tool for Task-Based Image Quality Assessment and Matching in Clinical CT Using the TG-233 Framework
J Solomon*, Y Zhang , J Wilson , E Samei , Duke University Medical Center, Durham, NC
SU-E-205-3Evaluation of Size-Specific Noise Index On Revolution CT: A Phantom Study
F Rupcich1*, H Litt2 , D Crotty1 , (1) GE Healthcare, Waukesha, WI, (2) Perelman School of Medicine of the University of Pennsylvania, Philadelphia, PA
SU-E-205-4Impact of Noise On CT Readers
B Whiting1*, S Don2 , D Politte3 , A Mitra4 , C Abbey5 , (1) University of Pittsburgh, Pittsburgh, PA, (2) Washington University School of Medicine, St. Louis, Missouri, (3) Washington University School of Medicine, Saint Louis, MO, (4) Washington University, Saint Louis, MO, (5) UC Santa Barbara, Santa Barbara, CA
SU-E-207-3Demonstration of Ultra-High Frame Rate Imaging Capability of a Photon-Counting Detector (PCD)
A Shankar*, J Krebs , S Setlur Nagesh , D Bednarek , S Rudin , university at Buffalo (SUNY) School of Med., Buffalo, NY
SU-E-207-4Dependence of Central-Axis Depth Dose On KV and HVL for Modern Diagnostic X-Ray Imaging
J Feng1*, L Wagner1, (1) The University of Texas Health Sciences Center at Houston, UT McGovern Medical School, Houston, TX
SU-E-207-6Evaluation of Linearity and Extent of Pulse Pile-Up in the Actaeon Photon Counting Detector
A Shankar*, J Krebs , D Bednarek , S Rudin , university at Buffalo (SUNY) School of Med., Buffalo, NY
SU-E-209-6HyperArc Stereotactic Radiosurgery (SRS) Planning for Challenging Multiple Brain Metastases Reduces Dose to Brain and Brainstem
Z Shen*, P Kosterin, R Lalonde, D Heron, M Huq, UPMC Hillman Cancer Center, University of Pittsburgh School of Medicine, Pittsburgh, PA
SU-E-DBRA-2Dosimetric Evaluation of the Treatment of Multiple Brain Metastases: Multiple Target with Single Isocenter Versus Single Target Per Isocenters
A Qureshi*, D Pearson , D Elliottt , University of Toledo, Toledo, OH
SU-E-DBRA-4Neutron Dose Measurements in the Elekta MR-Linac Using Bubble Detectors
B Keller1,2*, H Nusrat3 , S Ahmad1,2 , S Al-Ward1 ,A Sahgal1,2, A Sarfehnia1,2 , S Breen1,2 , G Pang1,2 , (1) Sunnybrook Health Sciences Centre, Toronto, Canada (2) University of Toronto, Department of Radiation Oncology, Toronto, Canada (3) Ryerson University, Toronto, Canada
SU-E-DBRB-7X-Ray Beam Profile Characterization for Two Modern Wide-Beam CT Scanners
K Yang1*, C Ruan2 , X Li1 , B Liu1 , (1) Massachusetts General Hospital, Boston, MA, (2) Brigham and Women's Hospital, Boston, MA
SU-E-KDBRA1-4Fetal Dose Reduction for Treatment of a Brain Tumor Using Optimized Treatment Planning and Shielding Design
A Rodrigues*, W Giles , J Kirkpatrick , F Yin , Duke University Medical Center, Durham, NC
SU-E-KDBRA2-3An Investigation of Biological Impact Caused by Edge-Scattered Protons in Pencil Beam Scanning Proton Therapy
K Ueno, T Matsuura*, S Takao, S Hirayama, H Ueda, Y Matsuo, T Yoshimura, S Shimizu, K Umegaki, H Shirato, Hokkaido University, Sapporo, Japan
SU-E-KDBRA2-7Proton Interfractional Range Verification in Pediatric Patients for Pelvic Tumors Based On Synthetic CT
O Ates*, C Hua , J Uh , P Fakhriddin , L Zhao , M Krasin , St. Jude Childrens Research Hospital, Memphis, TN
SU-E-KDBRB1-2Cone Beam CT-Ventilation From Mass Conserving Point Cloud Density Functions
E Castillo1*, R Castillo2 , Y Vinogradskiy3 , D Solis4 , A Thompson5 , T Guerrero6 , (1) Beaumont Health, Royal Oak, MI, (2) Emory Univ, Atlanta, GA, (3) University of Colorado Denver, Aurora, CO, (4) Beaumont Health, Royal Oak, Michigan, (5) Beaumont Health, Royal Oak, Michigan, (6) Beaumont Health System, Royal Oak, MI
SU-E-KDBRB1-3Comparison of the Localization Accuracy in Conventional and Ultra-Low Dose CT Fluoroscopy - A Simulation Study
M Wagner*, F Lee , L Hinshaw , P Laeseke , T Szczykutowicz , M Speidel , C Mistretta , University of Wisconsin, Madison, WI
SU-E-KDBRB1-4Advantages of Dual-Source Dual-Energy CT for Radiation Therapy Planning
G Noid1*, A Tai1 , D Schott1 , D Prah1 , N Mistry2 , J Robbins1 , X Li1 , (1) Medical College of Wisconsin, Milwaukee, WI, (2) Siemens Medical Solutions USA, Inc, Cary, NC,
SU-E-KDBRB1-5A Rotating Blocker for Random-Ray Under-Sampling Cone Beam CT for Simultaneously Dose Reduction and Scatter Correction: A Proof-Of-Concept Study
Y Xu1*, B Li1 , C Shen2 , J Ma1,2 , L Zhou1 , S Jiang2 , X Jia2 , (1) Southern Medical University, Guangzhou, Guangdong, (2) University of Texas Southwestern Medical Center, Dallas, TX
SU-E-KDBRC-3An Automation Framework for Real-Time Prospective Radiomics with Deformable Image Registration
T Patel*, P Lang , D Moseley , A Hope , D Jaffray , N Becker , T Tadic , Princess Margaret Cancer Centre, University Health Network, Toronto, ON
SU-F-202-2CBCT-Based Dose Calculations with a Two-Dimensional Anti-Scatter Grid Prototype: The Effect of Scatter Suppression On Dose-Calculation Accuracy
B Miller*, T Alexeev , D Thomas , K Stuhr , B Kavanagh , M Miften , C Altunbas , University of Colorado School of Medicine, Aurora, CO
SU-F-202-4Motion Model Source Influence On Respiratory Motion Compensation Methods for 4D-CBCT Using Image Registration and Reconstruction
MJ Riblett1*, E Weiss1 , GE Christensen2 , GD Hugo3 , (1) Virginia Commonwealth University, Richmond, VA, (2) University of Iowa, Iowa City, IA, (3) Washington University in St. Louis, St Louis, MO
SU-F-202-5Intracranial Tissue Visualization and Alignment Prior to Stereotactic Radiosurgery
Z Labby*, P Hill , D Jacqmin , B Barraclough , A Besemer , D Dunkerley , University of Wisconsin, Madison, WI
SU-F-202-7Cherenkov Imaging for TSE - 3D Imaging
H Petroccia1*, Y Xie1 , T Miao1,2 , Y Zhu1 , P Bruza2 , B Pogue2 , T Zhu1 , (1) University of Pennsylvania, Philadelphia, PA, (2) Dartmouth College, Hanover, NH,
SU-F-205-1Organ Dose Heterogeneity in Chest and Abdominopelvic CT Scans for a Population of Adult and Pediatric Phantoms: A Virtual Clinical Trial Study
J Fenoli*, S Sharma , E Abadi , P Segars , E Samei , A Kapadia , Duke University Medical Center, Durham, NC
SU-F-205-3Impact of the Distortion of Focal Spot Shape On Spatial Resolution in MDCT
A Budde1,2*, J Hsieh2 , G Chen1 , (1) University of Wisconsin, Madison, WI (2) GE Healthcare Technologies, Waukesha, WI
SU-F-205-4Implementation of Calcium Removal Using Single-Source DECT System to Delineate Bone Lesions for Radiation Therapy Treatment Planning
M Lawless*, J Huang , J Miller , University of Wisconsin-Madison, Madison, WI
SU-F-205-7Quantitative Accuracy of Virtual Non-Contrast Imaging in Various Dual-Energy CT Scanners
M Ahmad1*, M Jacobsen2 , D Cody2 , V Surabhi1 , (1) The university of Texas McGovern Medical School, Houston, TX, (2) The university of Texas MD Anderson Cancer Center, Houston, TX
SU-F-205-8The Synthetic Localizer Radiograph: A New CT Scan Planning Method
P Nowik12*, G Poludniowski2 , A Svensson1 , R Bujila2 , F Morsbach1 , T Brismar1 , (1) Karolinska Institutet, Stockholm, Stockholm, (2) Medical Radiation Physics, Stockholm, Stockholm
SU-F-207-2Deriving Ventilation Imaging From 4DCT by Deep Convolutional Neural Network
Y Zhong1*, Y Vinogradskiy2 , L Chen1 , N Myziuk3 , R Castillo4 , E Castillo3 , T Guerrero3 , S Jiang1 , J Wang1 , (1) UT Southwestern Medical Center, Dallas, TX, (2) University of Colorado Denver, Aurora, CO, (3) Beaumont Health System, Royal Oak, MI, (4) Emory Univ, Atlanta, GA
SU-F-207-3Design and Implementation of a Flexible Imaging Sequence for Pre-Clinical Hyperpolarized 13C MRI
K Michel1*, C Walker1 , J Niedzielski1 , Y Chen1 , S Lai1 , M Ravoori1 , V Kundra1 , M Merritt2 , J Bankson1 , (1) The University of Texas M.D. Anderson Cancer Ctr., Houston, TX, (2) University of Florida, Gainesville, FL
SU-F-207-7Image Quality and Performance Evaluation of Semiconductor Detector Materials Based On Photon Counting
H Kim*, D Kim , M Lee , H Kim , Yonsei University, Wonju, Gangwon
SU-F-209-3Predicting Motion Compensation Errors for CyberKnife SBRT Liver Patients Using a Machine Learning Algorithm
M Liu1*, D Granville2 , J E Cygler1,2, E Vandervoort1,2 (1) Carleton University, Ottawa, ON (2) The Ottawa Hospital Cancer Centre, Ottawa, ON
SU-F-DBRA-3Delta-Radiomics of Daily CTs Acquired During Chemo-Radiation Therapy of Pancreatic Cancer
H Nasief1*, W Hall2 , D Schott3 , S Klawikowski4 , c Cheng5 , B Erickson6 , X Li7 , (1) Medical college of Wisconsin, Milwaukee, Wisconsin, (2) Froedtert Hospital and the Medical College of Wisconsin, Milwaukee, Wisconsin, (3) Froedtert Hospital and the Medical College of Wisconsin, Milwaukee, WI, (4) Froedtert Hospital and the Medical College of Wisconsin, Milwaukee, WI, (5) University of Milwaukee, Milwaukee, WI, (6) Froedtert Hospital and the Medical college of Wisconsin, Milwaukee, Wisconsin, (7) Froedtert Hospital and the Medical College of Wisconsin, Milwaukee, WI
SU-F-DBRA-7Novel Tungsten Filled 3D Printed Electron Beam Shaping Devices: Design and Evaluation
L Skinner*, B Fahimian , A Yu , Stanford University, Stanford, CA
SU-F-DBRB-5Exploring Feature Reliability On Multiple CT Image Acquisition Parameters for Abdominal Radiomic Studies - a Pilot Phantom Experiment
L Lu , Y Liang*, B Zhao , Columbia University Medical Center, New York, NY
SU-F-DBRB-7Rectal Cancer Prognosis Prediction Using Radiomics From Pretreatment MRI
X Zhong1*, N Li2 , K Sung1 , X Qi1 , (1) UCLA School of Medicine, Los Angeles, CA, (2) Cancer Hospital Chinese Academy of Medical Sciences, Beijing, China
SU-F-KDBRA1-3Biological Dose Enhancement Using Lipiodol in Liver SBRT After TACE
D Kawahara1*, H Nakano2 , S Ozawa3 , A Saito3 , T Kimura3 , M Tsuneda1 , K Hioki4 , H Masuda4 , Y Ochi4 , T Nakashima4 , Y Ohno4 , Y Murakami3 , Y Nagata3 , (1) 1 Radiation Therapy Section, Department of Clinical Support, Hiroshima University Hospital, 1-2-3 Kasumi, Minami-ku, Hiroshima City, Hiroshima, Japan,(2) Hiroshima Heiwa Clinic, State of the Art Treatment Center, 1-31 Kawara-machi, Naka-ku, Hiroshima City, Hiroshima, Japan, (3) Hiroshima University, Hiroshima, Hiroshima, (4) Department of Radiation Oncology, Institute of Biomedical & Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima City, Hiroshima, Japan
SU-F-KDBRA2-3Establishing the Sensitivity of Halcyon's Automatic Transit Image Acquisition for Treatment Error Detection
X Fave*, KL Moore, UC San Diego Moores Cancer Center, La Jolla, CA
SU-F-KDBRA2-6Radiation Map and Effective Tenth Value Layer Measurements of An MR-Guided Jawless Ring-Gantry Linear Accelerator
O Green*, B Cai , J Cammin , A Price , S Mutic , S Goddu , Washington University, St. Louis, MO
SU-H300-GePD-F5-6Phantom Validation On Synthetic CT Based Adaptive Planning for Interfractional Anatomy Changes in Proton Therapy
O Ates*, L Zhao , C Hua , J Uh , W Yao , T Merchant , St. Jude Childrens Research Hospital, Memphis, TN
SU-H300-GePD-F6-4Enhancing Accuracy of the Deformation-Driven CBCT Reconstruction by a Deep Learning-Based Projection Mapping Scheme
Y Zhang*, L Chen , B Li , M Folkert , X Jia , X Gu , J Wang , UT Southwestern Medical Center, Dallas, TX
SU-H300-GePD-F6-6Quantifying the Dose to Functional Lung Regions Using Patient-Specific Elasticity Distributions Estimated From a Deep Learning Approach
K Hasse*, D O'Connell , J Neylon , Y Min , P Lee , D Low , A Santhanam , UCLA, Los Angeles, CA
SU-H300-GePD-F8-3Image Based Lung Cancer Phenotyping with Deep-Learning Radiomics
T Chaunzwa1*, Y Xu2 , R Mak3 , D Christiani4 , M Lanuti5 , A Shafer6 , N Dia4 , H Aerts7 , (1) Howard Hughes Medical Institute, Chevy Chase, MD,(2) Harvard Medical School, Brigham and Women's Hosp., Boston, MA, (3) Brigham and Women's Hospital, Boston, MA, (4) Harvard T.H. Chan School of Public Health, Boston, MA, (5) Massachusetts General Hospital, Boston, MA, Boston, MA, (6) Boston, MA, (7) Dana-Farber/Brigham Women's Cancer Center, Boston, MA
SU-H300-GePD-F8-5Performance Evaluation of Celesteion Large Bore PET/CT Used for CT Simulation
B Bai*, Y Hoi , D Zhang , E Angel , Canon Medical Systems, Tustin, CA
SU-H300-GePD-F8-6Predicting Prognosis of Lung Cancer Patient Based On Radiomic Features From Slow CT Images
S Sato1*, N Kadoya1 , K Takeda1 , T Kajikawa1 , T Yamamoto1 , K Takeda2 , K Jingu1 , (1) Department of Radiation Oncology, Tohoku University Graduate School of Medicine, Sendai, Japan (2) Department of Therapeutic Radiology, Tohoku University School of Medicine, Sendai, Japan
SU-H300-GePD-F9-2Establishing CT Scanner Performance Expectations Using Physics Survey Data From A Large Clinical Installed Base
C Smitherman1*, D Jordan2 , T Petrone3 , W Moloney4 , (1) Petrone Associates, LLC, Staten Island, NY, (2) University Hospitals Cleveland Medical Center, Shaker Heights, OH, (3) Petrone Associates, LLC, Staten Island, NY, (4) Bio-Med Associates, Yardley, PA
SU-H300-GePD-F9-3Increased Photon Starvation Artifacts at Low Helical Pitch in Ultra-Low-Dose CT
M Bruesewitz*, T Vrieze , L Yu , C McCollough , Mayo Clinic, Rochester, MN
SU-H300-GePD-F9-4Iterative Katsevich Algorithm: A Novel Iterative Image Reconstruction Method for Helical CT Using Katsevich Exact Analytic Algorithm
H Gao1*, R Liu2 , H Yu3 , Y Cui4 , Z Chang5 , F Yin6 , (1) Duke University Medical Center, Durham, NC, (2) The MathWorks, Inc, Natick, MA, (3) UMass Lowell, Lowell, MA, (4) Duke University Medical Center, Durham, NC, (5) Duke University Medical Center, Durham, NC, (6) Duke University Medical Center, Durham, NC
SU-H300-GePD-F9-6Reproducibility of CT Iterative Reconstruction Algorithms From Analytic Reconstitutions with Convolutional Neural Networks for Pediatric Brain Imaging
R MacDougall*, Y Zhang , H Yu , UMass Lowell, Lowell, MA
SU-H330-GePD-F4-2Dosimetric Results of the First GammaPod Clinical Trial, GCC 1202: A 8 Gy Boost to the Lumpectomy Cavity
S Becker1*, Y Mutaf2 , Y Poirier1 , Y Niu3 , C Yu1,3 , B Yi1 , S Feigenberg4 , E Nichols1 , (1) university of Maryland School Of Medicine, Baltimore, MD, (2) Boston University Medical Center, Boston, MA, (3) Xcision Medical Systems, Columbia, MD, (4) University of Pennsylvania, Philadelphia, Pennsylvania
SU-H330-GePD-F4-6Technique for Commissioning Lying-On-The-Floor Total Skin Electron Therapy for Emergency Palliation
E Dziemianowicz*, E Laugeman , N Wen , Henry Ford Health System, Detroit, MI
SU-H330-GePD-F5-1Dose Reconstruction for Lung Stereotactic Body Radiation Therapy (SBRT) Patients Using On-Board 4D Cone-Beam CT
X Huang*, Y Zhang , J Wang , UT Southwestern Medical Center, Dallas, TX
SU-H330-GePD-F5-2Intra-Fraction Motion Monitoring for Spine SBRT Patients Using KV Cone-Beam Projections
D Markel*, D Letourneau , H Keller , N Becker , D Shultz , Princess Margaret Hospital, Toronto, ON
SU-H330-GePD-F5-4Scatter Correction for Clinical Cone-Beam CT System Using An Optimized Stationary Beam Blocker in a Single Scan
X Liang1, C Luo2 , Z Zhang1 , Y Xie1*, T Niu2 , (1) Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, Guangdong, (2) Zhejiang University, Hangzhou, Zhejiang
SU-H330-GePD-F5-5Scatter Correction for Conebeam CT Using Deep Residual Convolutional Neural Network
C Yang*, Y Jiang , P Yang , L Zhang , Y Xue , L Xu , T Niu , Zhejiang University, Hangzhou, Zhejiang
SU-H330-GePD-F5-6Dose of the Day Calculations Based On Cone Beam Computed Tomography and Deformable Image Registration for Locally Advanced Lung Cancer
Z Yuan*1,2, Y Rong1 , S Benedict1 , M Daly1 , J Qiu3 , T Yamamoto1 , (1) Department of Radiation Oncology, University of California Davis Comprehensive Cancer Center, Sacramento, CA, USA, (2) Department of Radiology, Hubei Cancer Hospital, Wuhan, China, (3) Department of Radiology, Taishan Medical University, Taian, Shandong, China
SU-H330-GePD-F6-2CT-Based Radiomics Features Predict Brain Metastasis in Small Cell Lung Cancer
Q Wen*, J Zhu , Q Qiu , T Bai , X Meng , Y Yin , J Yu , Shandong Cancer Hospital Affiliated to Shandong University, Jinan, Shandong
SU-H330-GePD-F6-3CT-Based Radiomics Predict Platinum-Sensitivity Status in Limited-Stage Small Cell Lung Cancer Patients Treated with Chemoradiotherapy
Q Wen*, J Zhu , X Meng , T Bai , Y Yin , J Yu , Shandong Cancer Hospital Affliated to Shandong University, Shandong University,Jinan,China
SU-H330-GePD-F6-4Scatter Corrected Cone-Beam CT for Radiomics in Stereotactic Body Radiation Therapy: A Feasibility Study
Y Jiang*, L Xu , C Yang , Y Xue , P Yang , T Niu , Zhejiang University, Hangzhou, Zhejiang
SU-H330-GePD-F6-6Cone-Beam CT Radiomics Features as Potential Predictors for Esophageal Cancer Response
J Teruel*, K Du , P Galavis , NYU Langone Health, New York, NY
SU-H330-GePD-F8-2Non-Invasive Positron Detector to Monitor the Input Function in PET
V Turgeon1*, G Kertzscher2 , S Abbasi Nejad Enger1 , (1) McGill University , Montreal, QC, (2) Aarhus University Hospital, Aarhus, Denmark
SU-H330-GePD-F8-3Quantitative Regression Model of CBCT Gamma Index and Its Clinical Application On Pre-Treatment Patient Setup Evaluation
T Chen*, D Barbee , I Das , NYU Langone Medical Center, New York, NY
SU-H330-GePD-F8-6Use of Deep Learning in the Classification of Benign Lesions, Luminal A Cancers, and Other Molecular Cancer Subtypes in Breast Magnetic Resonance Imaging
H Whitney1,2*, N Antropova2 , M Giger2 , (1) Wheaton College, Wheaton, IL, (2) University of Chicago, Chicago, IL
SU-H330-GePD-F9-1A Population Based Statistical Model for Dose Distribution in Nasopharynx Cancer
Gang Liu1,2,3 , Xuanfeng Ding2, Zhiyong Yang1, Zhiwen Liang1, Jing Yang1, Xin Nie1, Jun Han1, Hongyuan Liu1, Mi chen1,Ting Cao1, Xiaohui Zhu1, Hong Quan3, Qin Li1* 1. Cancer Center, Union Hospital, Huazhong University of Science and Technology, Tongji Medical College, Wuhan, 430023, China; 2. Beaumont Health System, Royal Oak, MI, 48304, USA. 3. School of Physics and Technology, Wuhan University, Hubei, Wuhan, 430072, China;
SU-H400-GePD-F4-1Commissioning and Validation of Brainlab Elements Multiple Metastases with An Elekta Versa HD and ExacTrac
B Ruiz*, J Hill , L Boles , Johnson City Medical Center, Johnson City, TN
SU-H400-GePD-F4-5E2E Test of Automatic Plan Optimization Using RayStation Scripting for Hypo-Fractionated Multi-Metastatic Brain SRT
E Han1*, G Kim2 , X Wang3 , D Yeboa4 , H Lee5 , S Svensson6 , T Briere7 , (1) UT MD Anderson Cancer Center, Houston, TX, (2) University of California, San Diego, La Jolla, CA, (3) UT MD Anderson Cancer Center, Houston, TX, (4) University of Texas MD Anderson Cancer Center, Houston, Texas, (5) UT MD Anderson Cancer Center, Houston, TX, (6) RaySearch Laboratories, Stockholm, Sweden, (7) MD Anderson Cancer Ctr., Houston, TX
SU-H400-GePD-F5-1Inter-Observer Variation in Intra-Fraction Motion Assessment During Intracranial Stereotactic Radiosurgery Using MV Images
R Sullivan*, X Wu , E Covington , R Popple , The University of Alabama at Birmingham, Birmingham, AL
SU-H400-GePD-F5-2MV Portal Imaging Versus Optical Surface Imaging for Intra-Fraction Motion Detection in Intracranial Stereotactic Radiosurgery
R Sullivan*, E Covington , R Popple , The University of Alabama at Birmingham, Birmingham, AL
SU-H400-GePD-F6-2Evaluation of Image Acquisition Frame Rate On Markerless Motion Tracking Using Fast-KV-Switching Dual Energy Fluoroscopy
J Roeske1*, H Mostafavi2 , M Haytmyradov1 , M Surucu1 , A Wang2 , L Zhu2 , R Patel1 , M Harkenrider1 , (1) Loyola university Medical Center, Maywood, IL, (2) Varian Medical Systems, Palo Alto, CA,
SU-H400-GePD-F6-4Region-Of-Interest Based Local Principal Component Analysis Algorithm to Extract Independent Motion Pattern From Cone-Beam Tomography Projections
P Tsai*, B Lu , G Yan , J Park , J Wu , C Liu , university Florida, Gainesville, FL
SU-H400-GePD-F6-6Quantifying Internal Target Motion Utilizing the Elekta 4D-CBCT Symmetry Protocol for Lung and Liver Lesions
L Poplawski*, S Yaddanapudi , H Johnston , University of Iowa, Iowa City, IA
SU-H400-GePD-F9-4Impact of Phantom Motion Speed and Amplitude On a Prototype Rapid 3D KV CBCT Imaging System
E Laugeman*, B Cai , T Mazur , O Green , L Santanam , G Hugo , S Mutic , H Li , Washington University School of Medicine, Detroit, MI
SU-H430-GePD-F7-3Predicting Local Control Rates for Single Fraction Stereotactic Body Radiosurgery (SBRS) Treatment of Lung Tumor Using Size-Adjusted LQ-L20Gy Biophysical Model
D Pokhrel*, L Sanford , University of Kentucky, Lexington, KY
SU-H430-GePD-F7-6Variation in Normal Brain Sparing in Stereotactic Radiosurgery Plans Treating Multiple Targets Using Single-Isocenter Volumetric Modulated Arc Therapy
Y Cui*, H Gao , J Kirkpatrick , F Yin , Duke University Medical Center, Durham, NC
SU-H430-GePD-F8-2Common and Uncommon Artifacts in T1 SAG Sequences of Brain MRI
E Lavdas1*, M Papaioannou2 , L Sarantaenna3 , G Apostolopoulou4 , L Gogou5 , N Papanikolaou6 , S Stathakis7 , P Mavroidis8 , (1) Technological Education Institute of Athens, Athens, Attiki, (2) Animus kyanoys Larisas Hospital, Larissa, Thessaly, (3) Animus kyanoys Larisas Hospital, Larissa, Thessaly, (4) Animus kyanoys Larisas Hospital, Larissa, Thessaly, (5) Technological Education Institute of Athens, Athens, Attiki, (6) University of Texas HSC SA, San Antonio, TX, (7) University Of Texas Health, San Antonio, TX, (8) university North Carolina, Chapel Hill, NC
SU-H430-GePD-F8-5Lung Feature Tracking in 4D-MRI Using a Scale-Invariant Feature Transform Method
E ColvillE Colvill1*, A Lomax1, O Bieri2, Z Celicanin2, D Weber1 , M Peroni1 , (1)Paul Scherrer Institut, Villigen-PSI, Switzerland, (2)University of Basel, Basel, Switzerland
SU-H430-GePD-F8-6Use of Dielectric Pads to Improve Clinical 7T MRI Knee Image Uniformity
A Fagan1*, K Amrami1 , M Frick1 , P Kollasch2 , J Felmlee1 , (1) Mayo Clinic, Rochester, MN, (2) Siemens Healthineers, Rochester, MN
SU-H430-GePD-F9-1A Comparison of Interpolation Methods in Head and Neck Radiotherapy Contouring
J Spencer1*, K Chen2 , D Boukerroui3 , M Gooding4 , J Fenwick5 , (1) ,,,(2) University of Liverpool, Liverpool, Merseyside, (3) ,,,(4) Mirada Medical Ltd., Oxford, Oxfordshire, (5) Clatterbridge Cancer Centre, Birkenhead, Merseyside
SU-H430-GePD-F9-3Linear Attenuation Coefficients Measurements in a Polyoxymethylene Soft Tissue Phantom for Calibration of the L-Shell X-Ray Fluorescence Bone Pb Data
S Al-Hamdani*, M Gherase , California State University, Fresno, Fresno, CA
SU-I-GPD-E-4A Comparison of Two Kinds of Patient Marking Methods Used With Vacuum Cushion Immobilization in the Radiotherapy for Various Treatment Sites
J Pan*, D Yu , G Han , Q Song , C Ruan , J Fu , B Wu , G Ma , L Wang , Renmin Hospital of Wuhan University, Wuhan, Hubei
SU-I-GPD-I-2Frequency and Clinical Impact of Breast MRI Artifacts
W Sensakovic*, A Grindol , A Engel , C Rogers , Florida Hospital, Orlando, FL
SU-I-GPD-I-3A Real-Time Quality Assurance Framework for Structural Brain MRI
R Gabr*, R He , S Sujit , P Narayana , UUniversity of Texas Health Science Center at Houston, Houston, TX
SU-I-GPD-I-4Effect of the Classifier Performance Criterion On Image Quality Assessment in MRI
R Gabr1*, C Williams2 , R He1 , P Narayana1 , (1) University of Texas Health Science Center at Houston, Houston, TX, (2) Bucknell University, Lewisburg, PA
SU-I-GPD-I-9Influence of Metal Artifacts Reduction Algorithm (MAR) On CT Number (Hounsfield Unit) Accuracy
R Holla1*, D Khanna2 , V Naik1 , B Pillai1 , (1)Amrita Institute of Medical Sciences,Amrita Vishwa Vidyapeetham, Kochi, Ernakulam, Kerala(2) Karunya University, Coimbatore, Tamilnadu
SU-I-GPD-I-10Radiation Dose and Circulatory Diseases Associated with CT Coronary Angiography
L Oliveira1*, L de Sa2 , C Smitherman3 , (1) Institute of Radiation Protection and Dosimetry (IRD/CNEN), Rio De Janeiro, RJ, (2) Institute of Radiation Protection and Dosimetry (IRD/CNEN), Rio De Janeiro, RJ, (3) Petrone Associates, LLC, Staten Island, NY
SU-I-GPD-I-11Quantifying the Imaging Manifestations of Primary Hepatocellular Carcinoma Using the CT Radiomics Approach
Z Han1*, G Gong1 , Y Yin1 , (1) Shandong Cancer Hospital Affiliated to Shandong University, Shandong Academy of Medical Sciences
SU-I-GPD-I-12An Automatic Segmentation Algorithm Based On Clustered Texture Image
Q Qiu*, J Duan , Y Yin , Shandong Cancer Hospital Affiliated to Shandong University, Jinan, Shandong
SU-I-GPD-I-22Design of Patient Specific Phantom Based On 3D Printing Tissue Radiation Equivalent Material
F Zhang1, H Zhang2 , H Zhao3 , P Wang4 , N Ju5 , Z he6 , Y He7 , Y Rong8* , J Qiu9* , Y Sun10 , H Liu11 , (1) Medical Engineering and Technical Center, TaishanMedcial University, Taian,, Taian, (2) Medical Engineering and Technical Center, Taishan Medcial University, Taian, , (3) Medical Engineering and Technical Center, TaishanMedcial University, Taian, (4) Medical Engineering and Technical Center, Taishan Medcial University, Taian, (5) Medical Engineering and Technical Center, Taishan Medcial University, Taian, Shandong, (6) Radiation Department, Hubei Cancer Hospital, Wuhan, China, Hubie, (7) Medical Engineering and Technical Center, Taishan Medcial University, Taian, Shandong, (8) University of California-Davis, Sacramento, CA, (9) Taishan Medical University, Taian, Shandong, (10) Medical Engineering and Technical Center, TaishanMedcial University, Taian,, Taian, (11) Medical Engineering and Technical Center, TaishanMedcial University, Taian,, Taian
SU-I-GPD-J-1Influence of Varying Degrees of CBCT Image Artifacts On 3D-3D Image Registration Accuracy for Cranial Target Localization in Proton Therapy Using a Commercial Auto Registration Algorithm
J George*, J Bennouna , W Hsi , M Hall , R Kotecha , M Fagundes , M Mehta , A Gutierrez , Miami Cancer Institute, Miami, FL
SU-I-GPD-J-3Quantitative Analysis of Prompt Gamma Ray Imaging During Proton Boron Fusion Therapy According to Boron Concentration
H Shin, T Suh* , D Yoon , M Kim , S Kim , The Catholic University of Korea, Seoul, Seoul
SU-I-GPD-J-6A Toolkit to Manipulate DICOM Data for QA Tests in Adaptive Radiotherapy
P Haering1*, M Splinter2 , C Lang3 , (1) DKFZ, Heidelberg, BW, (2) DKFZ, Heidelberg, BW, (3) DKFZ, Heidelberg, BW
SU-I-GPD-J-15Patient Set Up Errors That OSMS and Small Field of View CBCT Cannot Catch with Varian Exact Couch Top
K Chu*, V Potari , M DeLuca , R Rostock , M Bailey , Western Connecticut Health Network, Danbury Hospital, Danbury, CT
SU-I-GPD-J-16Coping with Obese Patient: Cone Beam CT for Image Guided Radiotherapy
F.Q. Guo1, 2*, H Chen1, 2 , Z Chen1, 2, R Nath1, 2, (1) Yale University School of Medicine, New Haven, CT, (2) Yale New Haven Hospital, New Haven, CT
SU-I-GPD-J-17Investigation of the Effectiveness and Suitability of Two Common SBRT Imaging Protocols
S Oh*, L Padilla , R Datsang , M Rosu , Virginia Commonwealth University, Richmond, VA
SU-I-GPD-J-20Comparing the Accuracy of AlignRT and ExacTrac at Intrafractional Time Points During Cranial Stereotactic Radiosurgery and Stereotactic Radiotherapy Treatments
T Wolken*, S Junell , Oregon Health & Science Univ, Portland, OR
SU-I-GPD-J-23Dosimetric Analysis On the Influence of Gas in the Digestive Tract On Different Types of Radiotherapy for Pancreas Cancer
T Chen*, A Mccarthy , I Das , NYU Langone Medical Center, New York, NY
SU-I-GPD-J-25A Deep Learning Based Auto Segmentation for Lung Tumors On CT Images
j Cao*, j wang , m Fan , W Hu , fudan university shanghai cancer center, Shanghai, shanghai
SU-I-GPD-J-26Utilizing An In-Room CT-On-Rails for Periodic Verification Scans of Pediatric Patients to Reduce Time Under Anesthesia
J Lentz*, P Patel , Z Conover , S Keole , T Vern-Gross , T Daniels , J Stoker , Mayo Clinic Arizona, Phoenix, AZ
SU-I-GPD-J-30A Comprehensive Quality Assurance Program for a Helical 4D-CT Scanner
T Lin*, R Price , C Ma , Fox Chase Cancer Center, Philadelphia, Pennsylvania
SU-I-GPD-J-36Evaluation of the Deformable Registration of Two Commercial Software Regarding the Estimation of Inter-Fractional Dose Delivery Accuracy of Prostate VMAT Plans
N Papanikolaou1*, J Hammers2 , S Stathakis3 , D Baltas4 , R Chen5 , S Das6 , P Mavroidis7 , (1) Ut Health San Antonio, San Antonio, TX, (2) ,Chapel Hill, NC, (3) University Of Texas Health, San Antonio, TX, (4) university Freiburg, Freiburg, ,(5) UNC Health Care, Chapel Hill, NC, (6) University of North Carolina, Chapel Hill, NC, (7) university North Carolina, Chapel Hill, NC
SU-I-GPD-J-39Evaluation of Uncertainty and PTV Margins in Image-Guided Target-Based Patient Positioning for Prostate Cancer
T Hirose1,2*, H Arimura2 , J Fukunaga1 , Y Umezu1 , S Ooga2 , T Sasaki2 , (1) Kyushu University Hospital, Fukuoka, Fukuoka, (2) Kyushu University, Fukuoka, Fukuoka
SU-I-GPD-J-40Quantitative Assessment of 6D Image Registration Software Using CBCT Provided by Two Manufacturers
Y Shibayama*, S Takarabe , J Fukunaga , T Hirose , Kyushu University Hospital, Fukuoka, Fukuoka
SU-I-GPD-J-43A MIP-Based 3D Contour Technique for Radiosurgery of Arteriovenous Malformation
Y Zhou1*, X Wu2 , W Zhao3 , (1) University of Miami, Coral Gables, Florida, (2) Biophysics Research Institute of America, Aventura, Florida, (3) University of Miami, Coral Gables, Florida
SU-I-GPD-J-50Real-Time CBCT (RTCBCT) Acquisition During the Delivery of Multiple Deep Inspiratory Breath Hold VMAT Based Lung SBRT - A Systematic Study
S VALLINAYAGAM1*, V SUBRAMANI2 , THIRUMALAI S3 , ARUN G4 , (1) YASHODA HOSPITALS, Hyderabad, TELENGANA, (2) All India Institute of Medical Sciences, New Delhi, Delhi, (3) YASHODA HOSPITALS, Hyderabad, TELENGANA, (4) Yashoda Hospitals, Hyderabad, TELENGANA
SU-I-GPD-J-54Efficient Multi-GPU Calculation of Local Radiomic Features From 2D and 3D Images
R Neph*, K Sheng , UCLA Dept. of Radiation Oncology, Los Angeles, CA
SU-I-GPD-J-55Comparation of Machine Learning Methods for NSCLC Overall Survival Time Prediction Based On Radiomics Analysis
W Sun1*, M Jiang2 , J Dang3 , F Yin4 , (1) School of Information Science and Engineering, Shandong University, Jinan, Shandong, (2) School of Information Science and Engineering, Shandong University, Jinan, Shandong, (3) Chongqing Medical University, Chongqing, Chongqing, (4) Duke University Medical Center, Durham, NC
SU-I-GPD-J-56A Radiomic Assessment of the Progression of Acoustic Neuroma After Gamma Knife Stereotactic Radiosurgery
G Narayanasamy1*, G Zhang2 , E Siegel3 , G Campbell 4 , E Moros2 , E Galhardo1 , X Zhang1 , S Morrill1 , J Penagaricano1 , (1) Department of Radiation Oncology, University of Arkansas for Medical Sciences, Little Rock, AR, (2) H. Lee Moffitt Cancer Center, Tampa, FL, (3) Department of Biostatistics, University of Arkansas for Medical Sciences, Little Rock, AR, (4) College of Medicine, University of Arkansas for Medical Sciences, Little Rock, AR
SU-I-GPD-J-60Submillimeter Monitoring of Intrafraction Patient Movement with Optical Surface Imaging
E Covington*, X Wu , I Brezovich , S Shen , R Cardan , R Popple , university Alabama Birmingham, Birmingham, AL
SU-I-GPD-J-62A New Method for Denoising and Enhancement of Megavoltage CT Based On Dictionary Learning
c yue1*, J Zhu2 , (1) Shandong Provincial Key Laboratory of Network Based Intelligent Computing, Jinan, Shizhong, (2) Shandong Cancer Hospital to Shandong University, Shandong Academy of Medica, Jinan City, shandong provice
SU-I-GPD-J-67Densely Connected Semantic Segmentation Network for Liver Tumor Segmentation
J Kwon*, E Shim , Y Kim , K Choi , Korea Institute of Science and Technology (KIST), Seoul, Seoul
SU-I-GPD-P-5Secure and Trustable Sharing of Electronic Radiation Oncology Treatment Record Based On Blockchain Technology
L Sun*, W Hu , J Chen , Fudan University Shanghai Cancer Center, Shanghai, Shanghai
SU-I-GPD-P-14How to Document a CT Protocol: Practical Advice and a Free Template
T Szczykutowicz*, University Wisconsin-Madison, Madison, WI
SU-I-GPD-P-18A Dosimetric Comparison of IMR Vs VMAT Optimization in Early Stage Whole Breast Cancer
S Pella1*, N Moshiri2 , T Leventouri3 , (1) 21st Century Oncology, Boca Raton, FL, (2) Florida Atlantic University, Boca Raton, Florida, (3) Florida Atlantic University, Boca Raton, Florida
SU-I-GPD-P-24Monitoring Electron Beam Energy Constancy Using a 2D Ionization Chamber Array with Double-Wedge Phantom
S Gao*, M Chetvertkov , P Balter , M.D. Anderson Caner Center, Houston, TX
SU-I-GPD-P-27Correlation of Scalp Dose Coverage as a Function of Patient Height for Total Skin Electron Irradiation Using the Modified Stanford Technique
U Robins1*, T Poozhikala2 , M Chuong3 , M Hall4 , H Robins5 , V Mishra6 , A Gutierrez7 , (1) Miami Cancer Institute , Miami, FL, (2) Miami Cancer Institute, Miami, FL, (3) Miami Cancer Institute, Miami, FL, (4) Miami Cancer Institute, Miami, FL, (5) Riviera Middle School, Miami, Florida, (6) Baptist Hospital, Miami, FL, (7) Miami Cancer Institute , Miami, FL
SU-I-GPD-P-29CyberKnife Experience: A Dose Gradient Index for Stereotactic Radiosurgery/Radiotherapy
T Reynolds1*, M Ozer1 , A Jensen1 , E Bellairs1 , L Nussbaum2 , (1) Minnesota Oncology, St Paul, MN, (2) Nasseff CyberKnife Center, United Hospital, St Paul, MN
SU-I-GPD-P-48New Conversion Factors Relating Dose -Length Product to Effective Dose for Chest CT Scan with TCM
Y Huang*, H Liu , W Zhuo , Institute of Radiation Medicine, Fudan University, Shanghai, Shanghai
SU-I-GPD-P-54A Comparison Between NCRP-147 Workload Parameters and Calculated Workload Parameters for CT Scanners in An Outpatient Clinic
D Vergara , M Yester*, UAB Medical Center, Birmingham, AL
SU-I-GPD-P-56Gradient Index as Quality Measure of Multi Lesion SRS VMAT Plans
L Kuo*, A Ballangrud , Memorial Sloan Kettering Cancer Center, New York, NY
SU-I-GPD-P-58Automated Solid Water Phantom Setup Using Light-Dependent-Resistors (LDR)
L Voros*, M Zhang , Y Song , Memorial Sloan Kettering Cancer Center, New York, NY
SU-I-GPD-P-60A Comparison of Inter-Fractional Dose in Prostate Volume Modulated Arc Therapy
M Nilsen*, S Park , Y Feng , W Jiang , East Carolina University, Greenville, NC
SU-I-GPD-T-46Evaluation of the First Clinical System Fully Integrating EM Tracking Technology for Intra-Op US Guided Prostate HDR Procedure
M Lavallee1*, L Beaulieu2 , (1) CHU de Quebec, Quebec, Quebec, (2) Centre Hospitalier university de Quebec, Quebec, QC
SU-I-GPD-T-49Monte Carlo Simulation of In Vivo Verification for Small Aperture Electron Radiotherapy
K Li*, Associates In Medical Physics, Lanham, MD
SU-I-GPD-T-55Electron Monte Carlo Comparison to Hand Calculations and Phantom Measurements
K Chu*, V Potari , R Rostock , M DeLuca , Western Connecticut Health Network, Danbury Hospital, Danbury, CT
SU-I-GPD-T-56Modeling of Applicator Free Electron Beams
S Crooks*, E Klein , Rhode Island Hospital / Warren Alpert Medical School at Brown University, Providence, RI
SU-I-GPD-T-57Building An Electron Cutout Factor Table
M Vossler*, Cleveland Clinic, Cleveland, OH
SU-I-GPD-T-61A Novel Technique for Scleredema Treatment Using Electron Therapy
N Neba1*, S Howard2 , J Coster3 , A Brito Delgado4 , H Saleh5 , K Guida6 , (1) ,,,(2) University of Kansas Health System, Overland Park, KS, (3) University of Kansas Health System, Overland Park, KS, (4) University of Kansas Hospital, Shawnee, KS, (5) University of Kansas Medical Center, Kansas City, Kansas, (6) University of Kansas Hospital, Kansas City, MO
SU-I-GPD-T-62Use of Acrylic Electron Templates for Degradation of 9MeV Electron Beams for Boost in Total Skin Electron Treatments
U Robins*, M Chuong , M Hall , V Mishra , A Gutierrez , T Poozhikala , Miami Cancer Institute, Miami, FL
SU-I-GPD-T-67Evaluation of Tumor Motion Reduction in Lung Cancer Radiotherapy Patients Using a New Abdominal Compression Belt
W Ingram1*, S Huang1 , S Li1 , G Janssens2 , K Souris3 , S Feigenberg1 , L Lin1 , (1) University of Pennsylvania, Philadelphia, PA, (2) Ion Beam Applications SA, Louvain-la-neuve, Belgium, (3) UCL, Louvain-la-Neuve, Belgium
SU-I-GPD-T-70Study of the TraceIT as a Hydrogel Spacer for Rectal Sparing in Recurrent Endometrial Cancer
Y Liao*, A Templeton , A Osmanuddin , Z Grelewicz , J Turian , C Hogue , P Barry , Rush University Medical Center, Chicago, IL
SU-I-GPD-T-73Tumor Size-Adjusted Biophysical Modeling: Predicting Local Control Rates of Acuros-Based Lung SBRT Patients Treated with Variable Fractionation Schemes
D Pokhrel*, R McGarry , J Molloy , University of Kentucky, Lexington, KY
SU-I-GPD-T-77Dosimetric and Radiobiological Fitting of Xerostomia Outcome Data 12 Months After Radiation Therapy for Head and Neck Tumors
A Kubli1*, D Fried2 , W Mendenhall3 , N Sheets4 , R Green5 , S Das6 , L Marks7 , B Chera8 , P Mavroidis9 , (1) ,Durham, NC, (2) UNC Health Care, Chapel Hill, NC, (3) University of Florida, Gainesville, FL, (4) UNC Health Care, Chapel Hill, NC, (5) University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, (6) University of North Carolina, Chapel Hill, NC, (7) UNC School of Medicine, Chapel Hill, NC, (8) University of North Carolina, Chapel Hil, NC, (9) university North Carolina, Chapel Hill, NC
SU-I-GPD-T-78Whole-Body Dose Equivalent Including Neutrons Is Similar for 6MV and 15MV IMRT, VMAT, and 3D Conformal Radiotherapy
P Hauri1,2*, U Schneider1,2, (1) Radiotherapy Hirslanden, Hirslanden Medical Center, Zuerich, Switzerland, (2) Department of Physics, University of Zurich, Zurich, Switzerland
SU-I-GPD-T-79Generating Fetal Doses for Pregnant Survivors of the Atomic Bombs in Hiroshima and Nagasaki
C Paulbeck*, W Bolch , university Florida, Gainesville, FL
SU-I-GPD-T-82Comparison Study of the Spatial Deviation of Different Bladder Volumes in Prostate Radiotherapy with Pelvic Lymph Node (PLN)
X Yang*, Z Lu , F Zhao , L Bu , S Yan , Department of Radiation Oncology, the First Affiliated Hospital, College of, Hangzhou, Zhejiang
SU-I-GPD-T-84Using Machine Learning to Predict GI Toxicity in Unresectable Pancreatic Cancer Patients Treated with Stereotactic Body Radiation Therapy
T Wu*, S Liauw , University of Chicago Hospitals, Chicago, IL
SU-I-GPD-T-854D Dose Reconstruction in Lung From Discontinuous Cyclotron Proton Beam Delivery
V Ugarte*, I Yeo , A Ghebremedhin , B Patyal , Loma Linda university Medical Center, Loma Linda, CA
SU-I-GPD-T-97The Dosimetric Impact of Uncertainties in HU Assignment of Spinal Implants for Photon and Proton RT: Carbon Vs. Titanium Screw Systems
BS Müller1*, YM Ryang2, M Oechsner1, M Düsberg1, B Meyer2, SE Combs1,3, JJ Wilkens1, (1) Department of Radiation Oncology, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany, (2) Department of Neurosurgery, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany, (3) Institute of Innovative Radiotherapy, Helmholtz Zentrum München, Neuherberg, Germany
SU-I-GPD-T-114Quality Management for Proton Stereotactic Radiosurgery Based On TG 100
N Wang*, A Ghebremedhin , A Wroe , B Patyal , J Slater , Loma Linda university Medical Center, Loma Linda, CA
SU-I-GPD-T-148Direct Ion Storage (DIS) and Optically Stimulated Luminescent (OSL) Dosimeter Performance Comparison
B Helbig*, J Wang, J Clements, Southern California Permanente Medical Group, Los Angeles, CA
SU-I-GPD-T-154VMAT Commissioning and Patient-Specific QA Using MatriXX Phantom
A Bao*, P Geis , Y Zheng , G Pereira , N Kuc Petchler , J Elconin , M Machtay , University Hospitals Cleveland Medical Center, Cleveland, OH
SU-I-GPD-T-171Reducing Mean Heart Dose with OSMS Monitoring and PerFraction Verification
J Haywood1*, (1) Mercy Health Partners, Allendale, MI
SU-I-GPD-T-172Patient Specific VMAT QA for SRS with PerFraction
J Haywood1*, (1) Mercy Health Partners, Allendale, MI
SU-I-GPD-T-181Clinical Comparison of Gafchromic EBT-XD Film to Gafchromic EBT3 Film When Utilized as An Absolute Dose Verification Method in Stereotactic Radiotherapy
R Goodman MS*, T Murphy , D Siergiej PhD , T Schroeder MD, University of New Mexico, Albuquerque, NM
SU-I-GPD-T-193Current Limitations and Emerging Solutions for Quality Assurance (QA) of Single-Isocenter VMAT Treatment of Multiple Brain Metastases (MBM)
P Zygmanski1*, M Wagar1 , M Maryanski2 , F Hacker1 , (1) Brigham & Women's Hospital, Boston, MA,(2) MGS Research, Madison, CT
SU-I-GPD-T-206Performance of Metal-Oxide-Semiconductor Field Effect Transistors for Clinical Radiation Therapy Applications
B Hu1*, B King2 , M Huq3 , (1) UPMC Cancer Centers, Erie, PA, (2) The Regional Cancer Cemter, Erie, PA, (3) University of Pittsburgh Cancer Institute, Pittsburgh, PA
SU-I-GPD-T-209In Vivo Dose Measurements During MV Portal Imaging Using MOSFET Dosimeters
S Kumar*, R SINGH , P Ravindran , H GODSON , R PONMALAR , CHRISTIAN MEDICAL COLLEGE, Vellore, TAMIL NADU
SU-I-GPD-T-214Clinical Evaluation of the Feasibility of in Vivo Measurements with MOSFET
B Hu1*, B King2 , M Huq3 , (1) UPMC Cancer Centers, Erie, PA, (2) The Regional Cancer Cemter, Erie, PA, (3) University of Pittsburgh Cancer Institute, Pittsburgh, PA
SU-I-GPD-T-218Reduction of Hotspots in the Treatment Margin Between GTV and PTV in IMRT Plans
G Narayanasamy*, X Zhang , E Galhardo , S Morrill , T Kim , S Maraboyina , J Penagaricano , Department of Radiation Oncology, University of Arkansas for Medical Sciences, Little Rock, AR
SU-I-GPD-T-234Evaluation of the RBE Enhancement Owing to Gold by Calculating the DSB Rate - A Monte Carlo Study
Y CHIANG1*, C Tung2 , C Lee3 , C Chu4 , T Chao5 , (1) Chang Gung University, Guishan Dist, Taoyuan City, (2) Chang Gung University, Guishan Dist, Taoyuan City, (3) Chang Gung University, Guishan Dist., Taoyuan City, (4) Institute of Nuclear Energy Research, Longtan District, Taoyuan City, (5) Chang Gung University, Guishan Dist., Taoyuan City
SU-I-GPD-T-251Gradient Index in IMRT and SBRT: Implication in Organ Sparing
A Andersen1*, H Wang2 , P Schiff3 , K Hu4 , I Das5 , (1) Renown Health, Reno, NV, (2-5) NYU Langone Health, New York, NY
SU-I-GPD-T-260Treatment Planning Comparison of CyberKnife and Linac-Based SBRT
J Yoon*, M Schwer , S Sharma , A Ju , East Carolina University, Greenville, NC
SU-I-GPD-T-265Impact of CT-HU Values in the Voxels Around the Reference Point On Plan Secondary Check
J Nomura1*, H Tachibana2 , S Moriya3 , S Miyakawa4 , T Kurosawa4 , S Jinno1 , M Sato1 , (1) Komazawa University, Setagaya, Tokyo, (2) National Cancer Center Hospital East, Kashiwa, Chiba, (3) University of Tsukuba, Tsukuba, Ibaraki, (4) Tokyo Women's medical University, Sinjuku, Tokyo
SU-I-GPD-T-273Use Eclipse Treatment Planning System as Quality Assurance Tool to Verify Multiple-Metastases-Elements Treatment Plan
J Li*, Y Yu , H Liu , Thomas Jefferson University, Philadelphia, PA
SU-I-GPD-T-276Studies On Fundamental Interaction Parameters For Stainless Steel And Titanium Using Flattened And Un-Flattened Mega Voltage X-Ray Beam
Tamilarasan Rajamanickam1*, Sivakumar Muthu1 , Perumal Murugan1 , Muddappa Pathikonda1 , Senthilnathan K2 , Arunai Nnambi Raj N2 , Ramesh Babu P2 , (1) Sri Shankara Cancer Hospital & Research Centre, Bangalore, Karnataka, (2) Vellore Institute of Technology, Vellore, Tamilnadu
SU-I-GPD-T-285NTCP Effect of Assigning Different Materials to the High-Density Pixels When Using the Acuros Calculation Algorithm
D Spitznagel1*, V Sarkar2 , P Rassiah-Szegedi3 , Y Huang4 , F Su5 , A Paxton6 , L Huang7 , B Salter8 , (1) Huntsman Cancer Hospital, University of Utah, Salt Lake City, UT, (2) university of Utah Hospitals, Salt Lake City, UT, (3) University Utah, Salt Lake City, UT, (4) University Utah, Salt Lake City, UT, (5) Huntsman Cancer Hospital, Salt Lake City, UT, (6) Huntsman Cancer Hospital, Salt Lake City, UT, (7) Huntsman Cancer Hospital, Salt Lake City, UT, (8) University Utah, Salt Lake City, UT
SU-I-GPD-T-289Evaluation of Orthopaedic Metal Artefact Reduction Corrected CT Data On Treatment Planning Dose Accuracy
J Mathew*, H Deloar , L Marsh , E Whillance , Peter MacCallum Cancer Centre, Bendigo, Victoria
SU-I-GPD-T-300Study Of Dosimetric Properties Of Flattened And Un-Flattened Mega Voltage X-Ray Beam On High Z Implant Materials
Tamilarasan Rajamanickam1*, Sivakumar Muthu.1 , Perumal Murugan1 , Muddappa Pathikonda1 , Senthilnathan K.2 , Arunai Nambi Raj N.2 , Ramesh Babu P.2 , (1) Sri Shankara Cancer Hospital & Research Centre, Bangalore, Karnataka, (2) Vellore Institute of Technology, Vellore, Tamilnadu
SU-I-GPD-T-329Photon Beam Quality Assurance with the Integral Quality Monitor System: A Multicenter Study
A Veres1*, M Farrokhish2 , J DeMarco3 , L Fong de los Santos1 , R Heaton2 , M Islam2 , (1) Mayo Clinic, Rochester, MN, (2) Princess Margaret Cancer Centre, Toronto, Ontario, (3) Cedars-Sinai Medical Center, Los Angeles, CA,
SU-I-GPD-T-353SMART ARMOR : Scale Maille Armour for Radiation Therapy Contralateral Breast Protection
m butson1*, E Butson2 , M Butson3 , R Hill4 , (1) ,,,(2) RMIT University, Melbourne, VIC, (3) The Illawarra Grammar School, Mangerton, NSW, (4) Chris OBrien Lifehouse, Camperdown, NSW
SU-I-GPD-T-361Commissioning of Brainlab IPlan- and Elements-Based Stereotactic Radiosurgery Utilizing Both MLC and Aktina Cone Solutions On An Elekta Agility Platform
N Marsh*, M Maynard , J Dugas , G Schimke , H Wu , Willis-Knighton Medical Center, Shreveport, LA
SU-I-GPD-T-373Experimental Validation of SRS VMAT in Small Volumes. Tolerance Criteria for Plan-Specific QA Verification
M Adria-Mora1*, N Carrasco Vela1 , J Bonaque Alandi1 , F Ballester2,3 , J Gimeno Olmos1,3 , V Carmona Meseguer1,3 , F Lliso Valverde1,3 , J Perez-Calatayud1,3 , (1) Hospital Universitari i Politecnic La Fe, Valencia, Spain (2) University of Valencia, Burjassot, Spain (3) Grupo de Investigacion en Fisica Medica IRIMED, UV - Hospital La Fe, Valencia, Spain
SU-I-GPD-T-374End-To-End Testing of Linac-Based SRS Using Radiochromic Film & CIRS STEEV Phantom
R Ambrose*, J Presser , South Nassau Communities Hospital, Oceanside, NY
SU-I-GPD-T-375Quality Assurance Study of Stereotactic Radiosurgery of Multiple Brain Lesions with a Single Isocenter
J Zhang*, J Rahimian , S Lee , W Lien , J Han , D Kim , K Goldman , S Lu , G Hong , Y Qian , Southern California Permanente Medical Group, Los Angeles, California
SU-I-GPD-T-377Development of the 4D Phantom Using the 3D Gel Dosimetry for Liver SBRT: A Preliminary Study
S Noh1*, M Lee2 , K Yoon3 , J Kwak4 , B Cho5 , S Kim6 , H Kim7 , C Jeong8 , (1) ,,,(2) Asan Medical Center, Seoul, SEOUL, (3) Asan Medical Center, Seoul, SEOUL, (4) Asan Medical Center, Seoul, ,(5) Asan Medical Center, Seoul, ,(6) Asan Medical Center, Seoul, SEOUL, (7) Asan Medical Center, Seoul, Seoul, (8) Asan Medical Center, Seoul, Seoul
SU-I-GPD-T-382A Dosimetric Comparison of ICVI Varian Cones and BrainLab Cones
R George*, D Saenz , N Kirby , K Rasmussen , S Stathakis , N Papanikolaou , Ut Health San Antonio, San Antonio, TX
SU-I-GPD-T-389Optimized Dose Delivery for a New Generation Rotating Gamma System
J Xu*, A Eldib , L Jin , C Ma , Fox Chase Cancer Center, Philadelphia, Pennsylvania
SU-I-GPD-T-391Dosimetric Assessment of Spine SRS with the Brainlab Elements Treatment Planning System
D Saenz*, P Papanikolaou , N Kirby , S Stathakis , K Rasmussen , R Crownover , J Floyd , Ut Health San Antonio, San Antonio, TX
SU-I-GPD-T-398Results of Beta Testing the New VMAT Module in Elements Cranial SRS Software for Radiosurgery Planning
A Bertinetti*, G Luo , G Ding , Vanderbilt University, Nashville, TN
SU-I-GPD-T-401A Treatment Planning Approach to Reduce Radiation Dose to the Circulating Immune Cells in Blood in Lung SBRT Patients
R Liu1 2 *, H Yao1 , K Huang1 , G Bartlett1 , J Zhai1 , C He1 2 , F Kong1 , J Jin1 , (1) Indiana University- School of Medicine, Indianapolis, IN, (2) Zhengzhou University, Affiliated Tumor Hospital, Zhengzhou, Henan
SU-I-GPD-T-402Normal Brain Dose Sparing with Gamma Knife and Linac-Based Stereotactic Radiotherapy for Multiple Brain Metastases
J Carter*, I Vergalasova , X Wang , K Grantham , M Reviello , Y Zhang , J Weiner , N Yue , K Nie , Rutgers University, New Brunswick, NJ
SU-I-GPD-T-403Dose Rate Dosimetric Effects During the 6 MV Flattening Filter Free RapidArc-Based Stereotactic Body Radiation Therapy On Lung
N Dumitru1*, M Pudasaini1 , S Pella1,2 , T Leventouri1 , (1) Florida Atlantic University, Boca Raton, Florida, (2) 21st Century Oncology, Boca Raton, FL
SU-I-GPD-T-404Is Monte Carlo Necessary for IntraCranial Stereotactic Radiosurgery?
J Rembish1*, D Saenz1 , P Mavroidis2 , R Crownover1 , P Myers3 , N Papanikolaou1 , S Stathakis1 , (1) Ut Health San Antonio, San Antonio, Texas,(2) university North Carolina, Chapel Hill, NC, (3) Baylor College of Medicine, Houston, TX
SU-I-GPD-T-406Dosimetric Impact of BodyFix Immobilization System for Stereotactic Body Radiation Therapy
S Srivastava1,2*, S Jani1,2 , D Pinnaduwage1,2 , X Yan1,2 , P Metuge1,2 , D Castaneda2 , S Patel2 , N Thawani2 , S Mutyala2 , I Das3 , S Sorensen1,2 , (1) Barrow Neurological Institute, Phoenix, AZ, (2) University of Arizona Cancer Center \ Dignity Health, St. Joseph's Hospital, Phoenix, AZ, (3) NYU Langone Medical Center, New York, NY,
SU-I-GPD-T-408Comparison of Lung SBRT Planning and Delivery Methods in the Presence of Significant Respiratory Motion
B Rasmussen*, X Du , UP Health System Marquette General Hospital, Marquette, MI
SU-I-GPD-T-409Optimize the Selection of the Cone Size and the Prescription Isodose Line (IDL) in Linear Accelerator Based Stereotactic Radiosurgery (SRS) Planning
J Zhu*, Presence St. Joseph Medical Ctr., Joliet, IL
SU-I-GPD-T-413Validation of Single Isocenter Multi-Target SRS Planning Calculations and Early Clinical Experience
C Geraghty*, B Hasson , T Li , Anne Arundel Medical Center, Annapolis, MD
SU-I-GPD-T-41610 MV FFF Or 6 MV FFF for Lung SBRT Planning
S Balik*, P Qi , A Magnelli , G Videtic , K Stephans , T Zhuang , Cleveland Clinic, Cleveland, OH
SU-I-GPD-T-428Comparison of the Traditional Indicator Box Markers and New CBCT Localization for the Frame Treatments On the Gamma Knife Icon
G Neyman1*, (1) The Cleveland Clinic Foundation, Beachwood, OH
SU-I-GPD-T-432Simultaneously Boosting the Dose to the MpMRI and PSMA-PET Defined Intra-Prostatic Lesion Using Precision CyberKnife: A Feasibility Study
P Mavroidis1*, E Schreiber2 , B Thomann3 , C Zamboglou4 , I Sachpazidis5 , R Chen6 , A Grosu7 , S Das8 , D Baltas9 , (1) university North Carolina, Chapel Hill, NC, (2) university North Carolina, Chapel Hill, NC, (3) University of Freiburg, Freiburg, Breisgau, (4) University of Freiburg, Freiburg, Breisgau, (5) University of Freiburg, Freiburg, Breisgau, (6) UNC Health Care, Chapel Hill, NC, (7) University of Freiburg, Freiburg, Breisgau, (8) University of North Carolina, Chapel Hill, NC, (9) university Freiburg, Freiburg,
SU-I-GPD-T-435Dosimetric Feasibility of Delivering Grid Therapy for Breast Cancer Using GammaPod
B Kopchick1*, H Xu2 , Y Niu3 , X Qiu1 , C Yu3,4 , (1) The George Washington University, Washington, DC, (2) university of Maryland School of Medicine, Columbia, MD, (3) Xcision Medical Systems, Columbia, MD, (4) university Maryland School of Medicine, Baltimore, MD
SU-I-GPD-T-436Dosimetric Verification for Ultra-Small Intracranial Target Radiation Treatment Using Linac-Based Dynamic Conformal Arc Therapy
Y Zheng*, Z Xu , D Mansur , M Machtay , G Pereira , University Hospitals Cleveland Medical Center, Cleveland, OH
SU-I-GPD-T-438Feasibility of SRS Delivery for Single Mets Using the VersaHD Linac
A Licon*, J Rembish , R Crownover , D Saenz , N Kirby , K Rasmussen , N Papanikolaou , S Stathakis , Ut Health San Antonio, San Antonio, TX
SU-I-GPD-T-441Lead Shield On Wheels for Fetus Protection
D McFadden1*, P Jewell2 , N Mcilmoil2 , K Wake2 , (1) Northwest Medical Physics Center, Port Angeles, WA, (2) Olympic Medical Cancer Center, Sequim, WA
SU-I-GPD-T-453Investigation of Small Field Electron Beams for Preclinical Irradiation
D Parsons*, X Gu , S Stojadinovic , M Chen , S Jiang , W Lu , UT Southwestern Medical Center, Dallas, TX
SU-I-GPD-T-454Deformable Image Registration Performances On Registering Sequential 18F-FDG PET/CT Images Obtained From a Growing Tumor: An Animal Study
S Chen*, A Qin , D Zhou , T John , K Buelow , D Yan , William Beaumont Hospital, Royal Oak, MI
SU-I-GPD-T-456Reduced Toxicity Following PLDR TBI in a Mouse Model
D Cvetkovic*, B Wang , L Chen , C Ma , Fox Chase Cancer Center, Philadelphia, PA
SU-I-GPD-T-457Clonogenic Assay of Normal Cell Lines Treated by Pulsed Low-Dose-Rate Radiotherapy
J Xu1*, Y Zhang1,2 , C Ma1 , (1) Fox Chase Cancer Center, Philadelphia, PA, USA, (2) Tangdu Hospital, Air Force Military Medical University, Xi'an, Shaanxi, China
SU-I-GPD-T-465Comparison of Linear Quadratic (L-Q) Models for Hypo-Fractionation Radiotherapy
C Yue1*, J Zhu2 , (1) Shandong Provincial Key Laboratory of Network Based Intelligent Computing, Jinan, Shizhong, (2) Shandong Cancer Hospital to Shandong University, Shandong Academy of Medica, Jinan City, Shandong Provice
SU-I-GPD-T-466Immunologicalaspects of Improved Tumor and Normal Tissue Responses Using Biophysicalmodelling
M Oita1*, M Udaka1 , H Aoyama2 , M Sasaki3 , M Tominaga4 , Y Uto5 , (1) Department of Radiological Technology, Graduate School of Health Sciences, Okayama University, (2) Department of Radiology, Okayama University Hospital, (3) Department of Radiological Technology, Institute of Health Biosciences, Graduate School,Tokushima University Hospital, (4) The Tokushima University, (5) Department of Life SystemTo, Institute of Technology and Science, Graduate School, The Tokushima University
SU-J400-CAMPUS-F2-3Evaluation of a Deep Learning Based Thoracic CT Segmentation Algorithm (DLSeg)
Q Chen1*, X Feng2 , K Qing3 , T Hunter1 , (1) University of Kentucky, Lexington, KY, (2) Carina Medical LLC, Lexington, KY, (3) University of Virginia, Charlottesville, VA
SU-J400-CAMPUS-F3-1Determining Elemental Tissue Composition From Dual Energy Cone-Beam CT Using Principal Component Analysis and a Shallow Neural Network
J O'Connell1 , AM Reinhart1*, MF Fast1,2 , S Nill1 , U Oelfke1 , (1) Joint Department of Physics at The Institute of Cancer Research and The Royal Marsden NHS Foundation Trust, London, (2) Department of Radiation Oncology, The Netherlands Cancer Institute, Amsterdam
SU-K-202-2Is There a Better Way Than 4DCT to Characterize Breathing Motion?
D Low1*, D O'Connell1 , D Thomas2 , T Dou3 , J Lewis1 , P Lee1 , (1) University of California Los Angeles, Los Angeles, CA, (2) University of Colorado, Denver, CO, (3) Brigham & Women's Hospital, Boston, MA
SU-K-202-7A Study On Breathing Pattern Classification and Prediction Using Machine Learning Algorithms
X Tang1*, Y Ou2 , Z Saleh3 , J Jeong4 , W Cai5 , Y Song6 , M Zhang7 , M Chan8 , C Shi9 , (1,3,4,5) Memorial Sloan Kettering Cancer Center, West Harrison, NY, (2) Columbia University, New York, NY, (6, 7) Memorial Sloan Kettering Cancer Center, Montvale, New Jersey, (8,9) Memorial Sloan-Kettering Cancer Center, Basking Ridge, NJ.
SU-K-205-3Impact of X-Ray Beam Quality On CT Radiomic Features Across Multiple Scanners
M Shafiq ul Hassan1,2*, G Zhang1,2 , K Latifi1 , G Ullah2 , R Gillies1 , E Moros1,2 , (1) H Lee Moffitt Cancer Center and Research Institute, Tampa, FL, (2) University of South Florida, Tampa, FL,
SU-K-207-7Functional Connectome Analysis of FMRI Before and After Brain Tumor Resection
H Chen*, K Noll , S Prabhu , V Kuma , P Hou , S Ferguson , G Rao , M Bradshaw , J Johnson , D Schomer , H Liu , UT MD Anderson Cancer Center, Houston, TX
SU-K-DBRA-2Dosimetric and Radiobiological Fitting of Dysphagia Outcome Data 12 Months After Radiation Therapy for Head and Neck Tumors
A Kubli1*, D Fried2 , W Mendenhall3 , N Sheets4 , R Green5 , S Das6 , L Marks7 , B Chera8 , P Mavroidis9 , (1) ,Durham, NC, (2) UNC Health Care, Chapel Hill, NC, (3) University of Florida, Gainesville, FL, (4) UNC Health Care, Chapel Hill, NC, (5) University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, (6) University of North Carolina, Chapel Hill, NC, (7) UNC School of Medicine, Chapel Hill, NC, (8) University of North Carolina, Chapel Hil, NC, (9) university North Carolina, Chapel Hill, NC
SU-K-DBRA-3Enhanced Tumor Cell Control by Boron in Proton Beam Therapy
H Jin*, M Mehta , Y Chen , A Munshi , N Amreddy , T Herman , R Ramesh , S Ahmad , Oklahoma university Health Science Ctr., Oklahoma City, OK
SU-K-KDBRB1-3MR Image Based Pseudo-CT Image Synthesis Using Conditional Generative Adversarial Network
H Kim1,2* , T Kim3 , S Kim3 , S Ye4 , (1) Artificial Intelligence Research Institute, Republic of Korea (2) Department of Radiology, Yonsei University College of Medicine, Republic of Korea, (3) Department of Radiation Oncology, Virginia Commonwealth University, Richmond, VA, USA (4) Program in Biomedical Radiation Sciences, Department of Transdisciplinary Studies, Graduate School of Convergence Science and Technology, Seoul National University, Republic of Korea
SU-KL-DBRB-1BEST IN PHYSICS (IMAGING): Optimization of a Table-Top X-Ray Fluorescence Computed Tomography (XFCT) System
C Dunning*, M Bazalova-Carter , university of Victoria, VCH040, Victoria, BC
SU-KL-DBRB-3Investigation of CT Image Quality Achievable From An Experimental Dual Mode Benchtop X-Ray Fluorescence CT (XFCT) and Micro-CT System
L Deng1,2*, S Yasar1 , M F Ahmed1 , Y Park1 , S Jayarathna1 , S H Cho1 , (1) The University of Texas MD Anderson Cancer Center, Houston, Texas, (2) Chongqing University, Chongqing, China
SU-KL-DBRB-9Hyperpolarized Magnetic Resonance Imaging Reveals Transformations in Pyruvate Metabolism Prior to Anatomic Changes in Patient-Derived Glioblastoma Models
T Salzillo1,2*, J Gumin3 , J Lee1 , I Hassan1,4 , N Zacharias1 , R Colen1,4 , F Lang3 , P Bhattacharya1 , (1) Cancer Systems Imaging, University of Texas MD Anderson Cancer Center, Houston, TX, (2) University of Texas Graduate School of Biomedical Sciences, Houston, TX, (3) Neurosurgery, University of Texas MD Anderson Cancer Center, Houston, TX, (4) Diagnostic Radiology, University of Texas MD Anderson Cancer Center, Houston, TX,
SU-KL-DBRB-10Comparison of Two Reconstruction Methods for Bound-Nanoparticle Detection Using Superparamagnetic Relaxometry
S Thrower*, S Kandala , D Fuentes , K Mathieu , W Stefan , A Kulp , J Hazle , UT MD Anderson Cancer Center, Houston, TX
SU-L-202-5Feasibility Study of Intrafractional 4D CBCT for a Target Monitoring During VMAT-Based SBRT
J Kim1*, E Lee2 , K Park2 , J Kim2 , K Keum2 , H Lee2 , (1) Yonsei Caner Center, Seoul, (2) Yonsei University College of Medicine, Seoul, Seoul
SU-L-207-1Estimation of Effective Imaging Dose and Excess Absolute Risk of Secondary Cancer Incidence for 4D-CBCT Using Monte Carlo Simulation
Y Yuasa1*, T Shiinoki1 , R Onizuka2 , K Fujimoto1 , H Hanazawa1 , (1) Yamaguchi University, Ube, Yamaguchi, (2) Yamaguchi University Hospital, Ube, Yamaguchi,
SU-L-207-3Comprehensive Evaluation of a Biomechanical Modeling-Guided CBCT Reconstruction Technique (Bio-Recon) for Liver Imaging
Y Zhang*, T Chiu , B Li , M Folkert , X Huang , X Jia , J Wang , UT Southwestern Medical Center, Dallas, TX
SU-L-207-5Title: Interfraction Motion Modeling (IMM) Using Principal Component Analysis (PCA) for CBCT Image Estimation with Limited Projections
Z Jiang*, Y Zhang , F Yin , L Ren , Duke University Medical Center, Durham, NC
SU-L-207-7Model-Based Material Decomposition for Acquisitions with Relaxed Spectral and Spatial Sampling
S Tilley*, J Stayman, Johns Hopkins University, Baltimore, MD
SU-L-209-6VMAT Plans Are Superior to Step-And-Shoot IMRT for Single Fraction Spine SBRT Based On Dosimetric and Quality Assurance Comparison
Z Ouyang*, D LaHurd, E Balagamwala, S Chao, P Xia, Department of Radiation Oncology, Cleveland Clinic, Cleveland, OH
SU-L-DBRA-1Can Single Isocenter, Linac-Based Stereotactic Radiosurgery Rival Gamma Knife Plan Quality for Complex, Multiple-Target Cases?
J Burmeister1,2*, G Baran2 , J Rakowski1,2 , A Nalichowski1,2 , M Dominello1,2 , (1) Wayne State University School of Medicine, Detroit, MI, (2) Karmanos Cancer Institute, Detroit, MI
SU-L-DBRA-2Developing a Low Cost Plasma Accelerator for Flash Radiotherapy Studies
r Alibazi behbahani*, Q Diot , B Kavanagh , N J.Serkova , M Miften , D Westerly , University of Colorado School of Medicine, Aurora, CO
SU-L-DBRA-4Evaluation of Hyperarc SRS Planning for Linacs with Standard- and Micro-MLC: Comparison with Gamma Knife
E Bossart*, M Monterroso , N Elsayyad , E Mellon , N Dogan , University of Miami Miller School of Medicine, Department of Radiation Oncology, Miami, FL
SU-L-DBRA-6Linac/MLC-Based SRS for Trigeminal Neuralgia: Risk of Isocenter Positioning Uncertainties
J Molloy , M Sanders , D Pokhrel*, University of Kentucky, Lexington, KY
SU-L-DBRA-7Managing the Rotation Uncertainty in Single-Isocenter Multiple Target (SIMT) Linac SRS Treatment
Q Chen*, L Sanford, D Pokhrel, University of Kentucky, Lexington, KY
SU-L-KDBRB1-3Feasibility of MOSFET Real-Time In-Vivo Dosimetry for MRI-Linac Beams Under 0.34 T Magnetic Field
D Tewatia1*, P Yadav1 , I Tanumihardjo1 , A Hallil2 , B Paliwal1 , (1) University of Wisconsin-Madison, Madison, WI,(2) Best Medical Canada, Ottawa, ON
SU-L-KDBRC-5MRI-Based Radiomics Distinguishes Treatment Effect From True Progression After Stereotactic Radiosurgery for Brain Metastases
L Peng1 , J Lee1 , K Sheikh1* , P Huang1 , V Parekh1 , B Baker1 , T Kirschbaum1 , F Silvestri1 , J Son1 , A Robinson1 , H Ames1 , J Grimm1 , L Chen1 , C Shen1 , M Soike2 , E McTyre2 , K Redmond1 , M Lim1 , M Jacobs1 , L Kleinberg1 , (1) Johns Hopkins University, Baltimore, MD, (2) Wake Forest School of Medicine, Winston Salem, NC
SU-L-KDBRC-6Apparent Diffusion Coefficient (ADC) Measured by Diffusion Weighted MRI Was Highly Correlated with Tumor Cell Survival in Non-Small Cell Lung Cancer (NSCLC) Cell Lines Under Stereotactic Body Radiotherapy (SBRT) Regimens
Y Wang1*, K Qing2 , (1) Chinese Academy of Medical Science and Shenzhen Cancer Center, Shenzhen, China (2) University of Virginia, Charlottesville, VA
TH-AB-202-3Contrast-Enhanced Photon Counting CT Using Bayesian Eigentissue Decomposition for Radiotherapy Applications
M Simard1*, A Lapointe1 , A Lalonde1 , H Bouchard1,2 , (1) Departement de physique, Universite de Montreal, Quebec, Canada, (2) Centre de recherche du Centre hospitalier de l'Universite de Montreal, Quebec, Canada
TH-AB-202-5Detecting Iodine Enhancement with Dual-Energy Computed Tomography: How Low Can We Go?
M Jacobsen1,2*, E Cressman1 , X Duan3 , D Cody1 , D Schellingerhout1 , R Layman1 , (1) University of Texas MD Anderson Cancer Center, Houston, TX (2) University of Texas MD Anderson Cancer Center UT Health Graduate School of Biomedical Sciences, Houston, TX (3) UT Southwestern Medical Center, Dallas, TX
TH-AB-202-8Multi-Energy CT Reconstruction with Sparse Segmental Scan
N Luo*, A Zhong , B Li , J Ma , Y Xu , L Zhou , Southern Medical University, Guangzhou, Guangdong
TH-AB-202-9Noise Suppression in Image-Domain Material Decomposition for Triple-Energy CT
S Niu1*, Y Zhong1 , X Huang1 , Y Zhang1 , J Ma2 , J Wang1 , (1) UT Southwestern Medical Center, Dallas, TX, (2) Southern Medical University, Guangzhou, China
TH-AB-202-10Quantitative Analysis of Energy Overlapping in Measured Energy Spectrum as Implemented in Spectral CT Scanner Approach Using Different K-Edge Beam Hardening Filters
R Rana*, S Aldoohan , University of Oklahoma Health Science Center, Oklahoma City, OK
TH-AB-202-11Spectral Prior Image Constrained Compressed Sensing Reconstruction for Photon-Counting Detector Based CT Using a Non-Local Means Filtered Prior (NLM-SPICCS)
K Rajendran*, S Tao , W Zhou , S Leng , C McCollough , Mayo Clinic, Rochester, MN
TH-AB-DBRA-1A Beam-Level Delivery Accuracy Study of the Robotic Image Guided Radiosurgery System Using a Scintillator/CCD Phantom
L Wang1*, B Nelson2 , (1) Stanford University Cancer Center, Stanford, CA, (2) Logos Systems International, Scotts Valley, CA
TH-AB-DBRB-6Tracking Imaging Phenotypes with Deep Learning for Survival and Treatment Response Prediction
Y Xu1*, A Hosny2 , T Coroller2 , R Zeleznik2 , R Mak1,2 , H Aerts1,2 , (1) Harvard Medical School, Brigham and Women's Hosp., Boston, MA, (2) Dana Farber Cancer Institute, Boston, MA
TH-AB-DBRB-8Radio-Morphology: Parametric Shape-Based Features for Outcome Prediction in Radiotherapy
P Lakshminarayanan1*, W Jiang1 , S Robertson2 , Z Cheng1 , P Han1 , M Bowers1 , J Moore1 , J Lee1 , H Quon1 , R Taylor1 , T McNutt1 , (1) Johns Hopkins University, Baltimore, Maryland, (2) WellSpan York Hospital, York, Pennsylvania
TH-AB-DBRB-10Comparison of Single and Multi-Modality CT and MR Radiomics Models for Overall Survival and Local Control for Non-Small Cell Lung Cancer
R N Mahon1*, G D Hugo2 , E Weiss1 , (1) Virginia Commonwealth University, Richmond, Virginia, (2) Washington University School of Medicine, St. Louis, MO
TH-AB-KDBRA1-3A Novel Device to Retract Rectum During Radiotherapy Applications of Pelvic Tumors
P Bayati Malayeri , A Jahadakbar , D Elliottt , M Elahinia , E Parsai*, University of Toledo MIME Department and University of Toledo Health Sciences Campus, Toledo, OH
TH-AB-KDBRA1-5A Practical Device and Procedure for Measuring Vertical and Horizontal Treatment Couch Walkout Under Rotation
I Brezovich*, E Covington , X Wu , R Popple , S Shen , R Cardan , B Guthrie , J Fiveash , M Bredel , university Alabama Birmingham, Birmingham, AL
TH-AB-KDBRB1-4Deep Learning Based PET Image Noise Reduction Using Both PET and CT Information
X Jin1*, J Fan1 , X Rui2 , (1) GE Healthcare, Waukesha, Wisconsin, (2) GE Global Research Center, Niskayuna, New York
TH-AB-KDBRB1-5Super-Resolution 1H Magnetic Resonance Spectroscopic Imaging Utilizing Deep Learning
Z Iqbal*, D Nguyen , S Jiang , Medical Artificial Intelligence and Automation Laboratory, Department of Radiation Oncology, University of Texas Southwestern Medical Center, Dallas, TX, USA 75390
TH-AB-KDBRB1-6Lung Nodule Malignancy Prediction by Combining Handcrafted Features and Deep Convolutional Neural Network
S Li1*, L Chen2 ,Z Zhou2 ,H Hao3 , Y Duan1, B Li1, M Folkert2 , S Jiang2 , J Wang2 , (1) Southern Medical University, Guangzhou, Guangdong, China (2) UT Southwestern Medical Center, Dallas, Texas, USA (3) Xidian University, Xian, China
TH-AB-KDBRC-3Automatic Contour Correction Based On Image Texture for MRI-Guided Online Adaptive Replanning
Y Zhang*, D Schott , E Ahunbay , X Li , Froedtert Hospital and the Medical College of Wisconsin, Milwaukee, WI
TH-AB-KDBRC-5Dose Accumulation-Based Predictive Modeling for An Adaptive Replanning Physician Decision Support Tool for Stage III Lung Cancer
D Bollinger*, J Kavanaugh , Washington University in St. Louis, St. Louis, MO
TH-AB-KDBRC-6Integrating Virtual Bronchoscopy with Ventilation Mapping for Preserving Post-Treatment Respiratory Function in Lung Stereotactic Ablative Radiotherapy
E Vicente1*, A Modiri1 , J Kipritidis2,3 , A Hagan1 , K Yu4 , H Wibowo4 , R Timmerman5 , A Sawant1 , (1) University of Maryland in Baltimore, Baltimore, MD, (2) Northern Sydney Cancer Centre, Sydney, (3) CRF Image X Institute, Sydney NSW (4) Broncus Medical, Inc., San Jose, CA, (5) UT Southwestern Medical Center, Dallas, TX,
TH-AB-KDBRC-7BEST IN PHYSICS (JOINT IMAGING-THERAPY): Avoiding Highly Functional Ventilation Zones Decreases the Risk of Radiation Pneumonitis During Proton and Photon Radiotherapy for Lung Cancer
S O'Reilly1*, V Jain1 , Q Huang2 , B Teo1 , L Yin1 , M Zhang2 , E Diffenderfer1 , W Levin1 , Y Xiao1 , L Dong1 , S Feigenberg1 , A Berman1 , W Zou1 , (1) University of Pennsylvania, Philadelphia, PA, (2) Memorial Sloan Kettering Cancer Center, New York, NY
TH-CD-202-2CT Dose Calculation Via a Fast, Deterministic Boltzmann Transport Equation Solver: Validation Against AAPM Task Group 195 Monte Carlo Reference Data
A Wang1*, A Maslowski1 , T Wareing1 , T Schmidt2 , J Star-Lack1 , (1) Varian Medical Systems, Palo Alto, CA, (2) Marquette University, Milwaukee, WI
TH-CD-202-5Effect of KVp, Reconstruction Kernel/filter, and Image Thickness On Water Equivalent Diameter
K Little1*, X Jiang2 , X Yang3 , N Fitousi4 , D Hintenlang5 , (1) Ohio State Univ, Columbus, OH, (2) Ohio State University, Columbus, OH, (3) The Ohio State University, Columbus, OH, (4) Qaelum, Leuven, Belgium, (5) Ohio State Univ, Columbus, OH
TH-CD-202-6Model-Based Magnification/minification Correction of Anterior-Posterior and Lateral Sizes Measurements From CT Localizers
C Burton*, T Szczykutowicz , University Wisconsin-Madison, Madison, WI
TH-CD-202-7NCICTX: An Organ Dose Calculator for CT Patients with Different Body Sizes
C Lee1*, J Liu2 , J Yao3 , R Summers4 , L Folio5 , (1) National Cancer Institute, Rockville, MD, (2) National Institutes of Health, Bethesda, Maryland, (3) National Institutes of Health, Bethesda, Maryland, (4) National Institutes of Health, Bethesda, Maryland, (5) National Institutes of Health, Bethesda, Maryland
TH-CD-202-10Examining the Effects Tube Current Modulation On Fetal Dose From Abdomen/Pelvis CT Scans
A Hardy1*, M Bostani1 , E Angel2 , C Cagnon1 , M McNitt-Gray1 , (1) UCLA, Los Angeles, CA, (2) Canon Medical Systems, Tustin, CA
TH-CD-202-11The Effect of Tube Current Modulation On Patient Dose and Image Quality in Patients Examined with Low-Dose Lung Cancer Screening CT
I Barreto*, N Verma , C Carranza , N Correa , N Quails , T Mohammed , University of Florida, Gainesville, FL
TH-CD-207-10Investigation of State-Of-Practice Using Exposure Index (EI) Data Following Digital Radiography (DR) Retrofits of Eight Radiographic Units
K Hulme1 , K Scilla2 , R Fisher1*, X Li1 , (1) The Cleveland Clinic, Beachwood, OH, (2) Cleveland State University, Cleveland, Ohio,
TH-CD-DBRA-1A Dynamic Plastic Electric Portal Imaging Device (pEPID) Prototype for Combined Dosimetry and Imaging Applications in Radiotherapy
M Lu1*, Y Rong2 , S Benedict2 , J Zhang1 , J Steiger1 , (1) Varex Imaging Corp, Santa Clara, CA, (2) University of California-Davis, Sacramento, CA
TH-CD-DBRA-3Direct Measurement of the Energy Spectrum of 6 MV Linear Accelerator
S Taneja*, L Bartol , W Culberson , L DeWerd , University of Wisconsin-Madison, Madison, WI
TH-CD-KDBRC-2Use of a Rigidity Penalty to Improve CT to MRI Image Registration
E Boehnke*, A Santhanam , C Gao , K Sheng , UCLA School of Medicine, Los Angeles, CA
TH-CD-KDBRC-3Machine Learning-Based Post-Processing Method for Improved Segmentation of Parotid Glands
A Iyer*, S Fontenla , R Haq , H Veeraraghavan , J Oh , J Mechalakos , M Hunt , J Deasy , A Apte , Memorial Sloan-Kettering Cancer Center, New York, NY
TH-CD-KDBRC-4Semi-Supervised GANs for Head and Neck Organ Recognition with Small Labeled Datasets
T Rozario*, D Nguyen , M Lin , X Jia , W Lu , S Jiang , UT Southwestern Medical Center, Dallas, TX
TH-CD-KDBRC-9A Deep Learning Based Auto Segmentation for H&N Organs On Treatment Planning CT Images
S Sun*, j wang , W Hu , Fudan University Shanghai Cancer Center, Shanghai, Shanghai
TH-CD-KDBRC-12Segmentation of the Prostate and Organs at Risk in Male Pelvic CT Images Using Deep Learning
S Kazemifar*, A Balagopal , D Nguyen , S McGuire , R Hannan , S Jiang , A Owrangi , UT Southwestern Medical Center, Dallas, TX
TH-EF-202-1A Metropolis Monte Carlo Simulation Scheme for Ultra-Fast X-Ray Scattering Photon Calculation in Cone-Beam CT
Y Chen1*, Y Zhang1 ,Z Tian2 , S Jiang2 , L Zhou1 , X Jia2 , Y Xu1 , (1) Southern Medical University, Guangzhou, Guangdong, (2) UT Southwestern Medical Ctr at Dallas, Dallas, TX
TH-EF-202-4CBCT Projection-Domain Scatter Correction with a Residual Convolutional Neural Network
Y Nomura1*, Q Xu2 , H Shirato1 , S Shimizu1 , L Xing2 , (1) Hokkaido University, Sapporo, Hokkaido, (2) Stanford University, Palo Alto, CA
TH-EF-202-7Low Dose CBCT Reconstruction Via Hybrid Prior Contour Based Total Variation Regularization (Hybrid-PCTV)
Y Chen1*, F Yin2 , Y Zhang3 , L Ren4 , (1) Duke University, Durham, NC, (2) Duke University Medical Center, Durham, NC, (3) Duke University Medical Center, Durham, NC, (4) Duke University Medical Center, Durham, NC
TH-EF-202-8Metal Artifact Reduction with a Deep Image Prior
Q Xu1,2*, J Wang2 , H Shirato1,3 , L Xing1,2 , (1) Department of Radiation Oncology, Stanford University, USA, (2) Global Station for Quantum Medical Science and Engineering, Hokkaido University, Japan, (3) Faculty of Radiation Medicine, Hokkaido University, Japan
TH-EF-KDBRB1-2Synthetic CT Generation for MRI-Only Radiation Therapy Using Deep Learning
S Kazemifar*, D Nguyen , S McGuire , R Timmerman , L Nedzi , Z Wardak , X Gu , S Jiang , A Owrangi , UT Southwestern Medical Center, Dallas, TX
TH-EF-KDBRB1-3Conditional Generative Adversarial Networks (cGANs) for Magnetic Resonance (MR) Based Synthetic Computed Tomography (sCT) Images in Head and Neck Dose Calculations
P Klages*, J Jiang, R Farjam, JO Deasy, M Hunt, H Veeraraghavan, N Tyagi, Memorial Sloan Kettering Cancer Center, New York, NY
TU-AB-202-4Back-Projection Filtration Image Reconstruction Approach for Reducing High-Density Object Artifacts in Digital Breast Tomosynthesis
H Kim*, S Lim , Y Lim , S Cho , KAIST, Daejeon, Korea
TU-AB-202-9Reconstruction Algorithm Design for Mitigating the Orientation Dependent Conspicuity of Fiber-Like Signals in Digital Breast Tomosynthesis
S Rose*, I Reiser , E Sidky , X Pan , University of Chicago, Chicago, IL
TU-AB-205-5Continuous Generation of Volumetric Patients Images During Radiotherapy Treatment Using Triggered KV Images and An External Surrogate
M Lafreniere1*, N Mahadeo2 , J Rottmann3 , C Williams4 , (1) Harvard Medical School - DFCI, Cambridge, MA, (2) ,,,(3) Brigham and Woman's Hospital, Boston, MA, (4) Brigham and Women's Hospital, Boston, MA
TU-AB-205-6Auto-Contour Based Treatment Alignment of Prostate Patients
Y Shen1*, L Qiu2 , K Stephans2 , C Shah2 , A Godley2 , (1) Cleveland State University, Cleveland, OH, (2) Cleveland Clinic, Cleveland, OH
TU-AB-205-7Application of a Novel Scintillating Glass for EPID-Based MV-CBCT
Y Hu1*, P Baturin2 , A Wang2 , J Rottmann1 , M Myronakis1 , R Fueglistaller3 , P Huber3 , M Shi4 , D Shedlock5 , D Morf3 , J Star-Lack2 , R Berbeco1 , (1) Department of Radiation Oncology, Brigham and Women's Hospital, Dana-Farber, Boston, MA, (2) Varian Medical Systems, Palo Alto, California, (3) Varian Medical Systems, Baden, Baden, (4) University of Massachusetts Lowell, Lowell, MA, (5) Varex Imaging Corporation, Knoxville, TN
TU-AB-205-8Characterization of the 6 MV FFF CBCT in Halcyon Treatment Delivery System: Image Quality and Potential for Dose Calculation
I Malajovich*, H Petroccia , L Dong , B Teo , T Li , University of Pennsylvania, Philadelphia, PA
TU-AB-205-12Field-Of-View Expansion of Megavoltage CT Based On Iterative Reconstruction Algorithm Using Information of Treatment Planning KV-CT
Y Watanabe1*, T Magome1 , A Haga2 , K Nawa3 , M Nakano4 , Y Nomura3 , S Hanaoka3 , K Nakagawa3 , D Zuro5 , C Han5 , J Wong5 , S Hui5 , (1) Komazawa University, Setagaya-ku, Tokyo, (2) Tokushima University, Tokushima-shi, Tokushima, (3) The University of Tokyo Hospital, Bunkyo-ku, Tokyo, (4) Cancer Institute Hospital, Koto-ku, Tokyo, (5) City of Hope, Duarte, California
TU-AB-DBRB-7CT-Based Radiomic Analysis for Prediction of Liver Progression Risk in Hepatocellular Carcinoma Patients Treated with Stereotactic Body Radiation Therapy
L Wei*, D Owen , M Mendiratta-Lala , B Rosen , K Cuneo , T Lawrence , R Ten Haken , I El Naqa , University of Michigan, Ann Arbor, MI
TU-AB-DBRB-8Radiomics Features Predict Tumor Volume Change During Head and Neck Cancer Radiotherapy
M Surucu1*, I Mescioglu2 , F Cozzi1 , N Hurst1 , B Emami1 , J Roeske1 , (1) Loyola University Medical Center, Maywood, IL, (2) Lewis University, Romeoville, IL,
TU-C1000-GePD-F1-1Comparison of Gravitational Search Algorithm and Error Back Propagation Algorithm: Applying to CT Ring Artifact Removal Based On Interpolation
Z CHAO*, H Lee , D Kim , H Kim , Yonsei University, Wonju, Gangwon
TU-C1000-GePD-F1-2Dedicated Breast CT: Impact of Short-Scan Source Trajectory and Sparse-View Acquisition On Image Quality
H TSENG*, S Vedantham , A Karellas , University of Arizona, Tucson, AZ
TU-C1000-GePD-F1-5Orthogonal Limited Angle Axial and Non-Axial Cone-Beam CT Rotation Combinations to Reduce Metal Artifacts of Pedicle Screws
MC Hermansen*, SA Banks , A Entezari , FJ Bova , University of Florida, Gainesville, FL
TU-C1000-GePD-F2-1Impact of Abdominal Compression On MR-Guided Radiation Therapy
J Cunningham1,2* , D Du2 , C Glide-Hurst1,2 (1) Wayne State University, Detroit, MI, (2) Henry Ford Cancer Institute, Detroit, MI
TU-C1000-GePD-F4-5Measuring the Impact of Interplay On Target Dose Homogeneity in Pencil Beam Scanning Proton Irradiation
O El-Sherif*, J Johnson , J Kruse , Mayo Clinic, Rochester, MN
TU-C1000-GePD-F5-2Development of High Aspect Ratio Two-Dimensional Antiscatter Grids for CBCT
T Alexeev*, B Miller , B Kavanagh , M Miften , C Altunbas , University of Colorado School of Medicine, Aurora, CO
TU-C1000-GePD-F5-4Improved Target Visualization Using a Novel Iterative CBCT Reconstruction Algorithm for Prostate Cancer RT
S Gardner*, W Mao , C Liu , I Aref , M Elshaikh , J Lee , D Pradhan , F Siddiqui , B Movsas , I Chetty , Henry Ford Health System, Detroit, MI
TU-C1000-GePD-F5-6The Effect of Incorrect Bowtie Filters On Image Quality and Patient Doses During CBCT-Guided Radiotherapy
Y Cao1,2*, T Ma1,2, S de Boer1,2, IZ Wang1,2, (1)University at Buffalo (SUNY) (2) Roswell Park Cancer Institute, Buffalo, NY
TU-C1000-GePD-F6-3Correlation of Intrafraction KV Frames with VMAT Beam MU for Hypo-Lung Cancer Treatment
J Liang*, J Zhou , I Grills , Q Liu , D Yan , William Beaumont Hospital, Royal Oak, MI
TU-C1000-GePD-F6-4Image Assessment of Esophageal and Lung Tumor Through Pre and Post Pulsed-Low-Dose-Rate (PLDR) Radiotherapy
R Price*, J Meyer , M Hallman , J Yu , C Ma , Fox Chase Cancer Center, Philadelphia, Pennsylvania
TU-C1000-GePD-F7-4Optimization of Pencil Beam Interlacing for Proton GRID Therapy
D Smith1*, S Bowen1 , J Saini2 , R Stewart1 , A Kim1 , J Meyer1 , (1) University of Washington, School of Medicine, Seattle, WA, (2) SCCA Proton Therapy Center, Seattle, WA
TU-C1000-GePD-F8-3SPECT Image Analysis Using Computational ROC Curve Based On Threshold Setup
M Kim*, H Shin , D Yoon , T Suh , Catholic university Medical College, Seoul, Seoul
TU-C1000-GePD-F8-5Super-Resolution for Positron Emission Tomography Images Using Deep Learning
Z Iqbal*, D Nguyen , S Jiang , Medical Artificial Intelligence and Automation Laboratory, Department of Radiation Oncology, UT Southwestern Medical Center, Dallas, TX
TU-C1000-GePD-F8-6The Effect of Binaural Beat Embedded Music On Anxiety, Tedium and Subsequent Motion Artifact: A Randomized Controlled Trial
M Haghighatafshar1*, S Zahraei Moghaddam2 , F Shekoohi-Shooli3 , (1) Nuclear Medicine and Molecular Imaging Research Center, Shiraz, Fars, Iran (2) Nuclear Medicine and Molecular Imaging Research Center, Shiraz, Fars, Iran (3) Institute for Advanced Biomedical Technologies, Chieti, Abruzzo, Italy
TU-C1000-GePD-F9-2Signal Processing Analysis of Breathing Rates Show Improved Spectral Coherence When Human Subjects Receive Musical Melody and Voice Instruction Guidance
J Bayouth1*, T Patton1 , S Gerard2 , W Shao2 , G Christensen2 , J Reinhardt2 , A Baschnagel1 , (1) University of Wisconsin, Madison, WI (2) The University of Iowa, Iowa City, IA
TU-C1000-GePD-F9-3Studies of Prototype Dual Head Compton Camera for Applications in Medical Imaging
S Peterson1*, M Leigh1, D Mackin2 , H Chen3 , P Maggi3 , S Beddar2 , J Polf3 , (1) University of Cape Town, Rondebosch, (2) MD Anderson Cancer Center, Houston, TX, (3) University of Maryland School of Medicine, Baltimore, MD
TU-C1000-GePD-F9-5Topological Parametric Response Mapping for Use in Radiation Treatment Planning of Non-Small Cell Lung Cancer Patients
D Owen*, P Boonstra , W Jackson , A Fortuna , B Hoff , S Jolly , R Ten Haken , C Galban , M Matuszak , University of Michigan, Ann Arbor, MI
TU-C1030-GePD-F1-14D-CBCT Technique Based On Fiducial Marker-Position Estimated with Dual-Orthogonal Fluoroscopic Imaging System for Real-Time-Image Gated Proton Therapy
T FUJII*, S Takao , S Shimizu , T Matsuura , S Hirayama , N Miyamoto , K Umegaki , H Shirato , Hokkaido University, Sapporo, Hokkaido
TU-C1030-GePD-F1-2Beam Quality of Flat Panel X-Ray Source Using Monte Carlo Simulation
Z Ding1*, S Yang2 , J huang1 , L Zhou1 , Y Xu1 , (1) Southern Medical University, Guangzhou, Guangdong, (2) The Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai, GuangDong
TU-C1030-GePD-F1-4Monitoring Lung Texture Variations During Lung Cancer Radiotherapy
H Gu*, Z Xu , shanghai chest hospital, shanghai jiaotong university, Shanghai, Shanghai
TU-C1030-GePD-F1-5Variations in Effective Doses Caused by Position of Cone Beam CT (CBCT) Scans
A Abuhaimed1*, C Martin2 , O Demirkaya3 , (1) King Abdulaziz City for Science and Technology, Riyadh, Saudi Arabia, (2) University of Glasgow, Glasgow, UK, (3) King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia.
TU-C1030-GePD-F2-1CT/MRI-Based Radiomics Analysis to Predict Radiation Induced Xerostomia in Head and Neck Cancer Radiotherapy
K Sheikh*, L Peng , S Lee , P Han , Z Cheng , P Lakshminarayanan , T McNutt , H Quon , J Lee , Department of Radiation Oncology and Molecular Radiation Sciences, Johns Hopkins University, Baltimore, MD
TU-C1030-GePD-F7-1Characterization of RTOG Dose Spillage Constraints in VMAT Lung SBRT
D Desai*, S Srinivasan , H ElAsmar , Memorial Health Care System, Chattanooga, TN
TU-C1030-GePD-F7-2Development of Geometrically Ideal Dose Distribution as a Reference of Treatment Planning in VMAT with Filtered Back Projection Method
K Miki*, K Hioki , T Nakashima , A Saito , Y Nagata , Hiroshima University Hospital, Hiroshima, Hiroshima
TU-C1030-GePD-F7-3Dosimetric Differences in Non-Coplanar Vs Coplanar Treatment of SBRT of Lung Lesion with VMAT Do Not Yield Differences in Clinically Observable Outcomes
L Sanford*, J Molloy , R McGarry , M Randall , D Pokhrel , University of Kentucky, Lexington, KY
TU-C1030-GePD-F7-4Evaluation of a Commercial Independent Second Check System for Quality Assurance of VMAT SRS
R Popple*, R Cardan , X Wu , E Covington , I Brezovich , S Shen , The University of Alabama at Birmingham, Birmingham, AL
TU-C1030-GePD-F9-4Innovative Cumulative Dose Calculation for Deformable Organs at Risk in Abdominal Stereotactic Body Radiation Therapy
J Barbiere*, R Teboh Forbang , G Beninati , A Ndlovu , Hackensack University Medical Center, Hackensack, New Jersey
TU-C1030-GePD-F9-5Retrospective Analysis of 3-Dimensional Matching for SBRT of Pancreatic Cancer Patients Based On Bony Anatomy Vs. Soft-Tissue Alignment
S Balyimez*, J Bogue , S Saraiya , D Elliottt , E Parsai , University of Toledo Medical Center, Toledo, OH
TU-C1030-GePD-F9-6Evaluation of a Commercial DIR Platform for Contour Propagation in Prostate Cancer Patients Treated with IMRT/VMAT
J Hammers1*, S Pirozzi2 , D Lindsay3 , O Kaidar-Person4 , N Papanikolaou5 , S Stathakis6 , R Chen7 , S Das8 , P Mavroidis9 , (1) ,Chapel Hill, NC, (2) MIM Software Inc., Cleveland, OH, (3) University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, (4) Rambam Health Care Campus, Haifa, ,(5) Ut Health San Antonio, San Antonio, TX, (6) University Of Texas Health, San Antonio, TX, (7) UNC Health Care, Chapel Hill, NC, (8) University of North Carolina, Chapel Hill, NC, (9) university North Carolina, Chapel Hill, NC
TU-C930-GePD-F1-3How Does CBCT Image Quality Impact On Adaptive, Accumulated Dose Distributions?
W Mao*, C Liu , S Gardner , K Snyder , A Kumarasiri , B Zhao , J Kim , N Wen , F Siddiqui , B Movsas , I Chetty , Henry Ford Health System, Detroit, MI
TU-C930-GePD-F1-4Low Dose CT Strategies: In Which Domain Should I Denoise My Data?
J Hayes , D Gomez-Cardona , J Cruz-Bastida , R Zhang*, K Li , G Chen , University of Wisconsin Madison, Madison, WI
TU-C930-GePD-F1-5Simultaneous Dose Reduction and Scatter Correction Using 4D Moving-Blocker Based CBCT
C Zhao1*, Y Zhong2 , Y Chi1 , J Wang2 , M Jin1 , (1) University of Texas at Arlington, Arlington, TX, (2) UT Southwestern Medical Center, Dallas, TX
TU-C930-GePD-F3-1A Simple Approach to Perform Fast Electron Beam QA and Pre-Treatment Verification in Absolute Dose Using EPID
A Sors1*, P Dudouet1,2 , D Franck2 , M Mace1 , P Boucarut1 , C Boutry1 , (1) Clinique du Pont de Chaume - Groupe Oncorad Garonne, Montauban, France (2) Clinique Pasteur - Groupe Oncorad Garonne, Toulouse, France
TU-C930-GePD-F3-2Improving Calculation Accuracy of Dosimetric Quantities for KV and MV Photon Beams with EGSnrc
E Mainegra-Hing*, B Muir , National Research Council, Ottawa, ON
TU-C930-GePD-F4-1An Automaton Model of Tumor Growth with Response to Irradiation
L Wu1*, Y Watanabe2 , (1) University of Minnesota,Minneapolis, MN, (2) University of Minnesota, Minneapolis, MN
TU-C930-GePD-F4-4Rapid Loss of Vertebral Bone After Total Chest Irradiation
M Farris1 , E McTyre1 , C Okoukoni1 , G Dugan1 , B Johnson2 , W Blackstock1 , J Bourland1 , M Cline1 , J Willey1 , M Munley1*, (1) Wake Forest School of Medicine, Winston Salem, NC, (2) University of Missouri, Columbia, MO
TU-C930-GePD-F5-1Automatic Segmentation of Vertebrae Using Deep Learning and Generative Adversarial Networks
E Boehnke*, A Santhanam , K Sheng , UCLA School of Medicine, Los Angeles, CA
TU-C930-GePD-F5-4Automated Segmentation of Head and Neck Cancer Patients Using 3D U-Net
N Tong1*, S Gou2 , K Sheng3 , (1) Xidian University, Xi'an, Shaanxi,(2) Xidian University, Xi'an, Shaanxi, (3) UCLA School of Medicine, Los Angeles, CA
TU-C930-GePD-F5-5Automatic Localization and Segmentation of the Pancreas in Motion Artifact-Free CBCT Reconstructions Using Fully Convolutional Networks
P Jordan*, A Wang , J Star-Lack , J Van Heteren , Varian Medical Systems, Palo Alto, CA
TU-C930-GePD-F6-2DICOM-RT Generator: A Tool for Computational Human Phantoms
K Griffin1*, M Mille1 , C Pelletier2 , M Gopalakrishnan3 , J Jung2 , J Kalapurakal3 , C Lee1 (1) Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Rockville, MD (2) Department of Physics, East Carolina University, Greenville, NC (3) Department of Radiation Oncology, Northwestern Memorial Hospital, Chicago, IL
TU-C930-GePD-F6-5Proton Stopping Power Determination with Dual and Single Energy CT in Lung and Sinus Cavities Using 3D Printed Surrogate Materials
J Polf1*, S Mossahebi1 , M Mille2 , H Chen1 , H Chen-Mayer3 , K Langen1 , (1) University of Maryland School of Medicine, Baltimore, MD, (2) National Cancer Institute, Bethesda, MD, (3) National Institute of Standards & Tech, Gaithersburg, MD
TU-C930-GePD-F9-1A Monte Carlo Study of the Impact of Electronic Noise On Low-Dose EPID Image Simulation
M Shi1 2*, M Myronakis2, Y Hu2, J Rottmann2, R Berbeco2, (1) University of Massachusetts Lowell, Lowell, MA, (2) Department of Radiation Oncology, Brigham and Women's Hospital, Dana Farber Cancer Institute, Harvard Medical School, Boston, MA
TU-C930-GePD-F9-2A Novel Method for Fast Image Simulation of Electronic Portal Imaging Device (EPID)
M Shi1 2*, M Myronakis2, Y Hu2, R Berbeco2, (1) University of Massachusetts Lowell, Lowell, MA, (2) Department of Radiation Oncology, Brigham and Women's Hospital, Dana Farber Cancer Institute, Harvard Medical School, Boston, MA
TU-D-202-1BEST IN PHYSICS (IMAGING): NEW-HARP: An Avalanche Amorphous Selenium Photodetector for TOF PET Imaging
A LaBella*, W Zhao , P Vaska , A Goldan , SUNY Stony Brook, Stony Brook, NY
TU-D-202-2Seven-Pinhole Versus Single-Pinhole SPECT Imaging for Preablation I-131 Scans in the Treatment of Thyroid Cancer
T Yu1*, J Bowsher1 , R Reiman2 , (1) Duke Kunshan University, Kunshan, , (2) Duke University Medical Ctr, Durham, NC
TU-D-KDBRA1-2Fitting NTCP Models to SBRT Dose and Carotid Blowout Syndrome Data
P Mavroidis1*, J Grimm2 , M Cengiz3 , S Das4 , G Yazici5 , G Ozyigit6 , (1) university North Carolina, Chapel Hill, NC, (2) Johns Hopkins University, Baltimore, MD, (3) Hacettepe University, Faculty of Medicine, Ankara, Ankara, (4) University of North Carolina, Chapel Hill, NC, (5) Hacettepe University, Faculty of Medicine, Ankara, Ankara, (6) Hacettepe University, Faculty of Medicine, Ankara, Ankara
TU-D-KDBRA1-4Investigation of Off-Isocenter Field Misalignment in Single-Isocenter Multiple-Target VMAT SRS and Its Implication On CTV Margin
Y Song1*, C Velton2 , X Tang3 , Z Saleh4 , M Zhang5 , B Mueller6 , B Mychalczak7 , (1) Memorial Sloan Kettering Cancer Center, Montvale, New Jersey, (2) Columbia University, New York, NY, (3) Memorial Sloan Kettering Cancer Center, West Harrison, NY, (4) Memorial Sloan Kettering West Harrison, West Harrison, NY, (5) Memorial Sloan Kettering Cancer Center, New York, NY, (6) Memorial Sloan Kettering Cancer Center, Montvale, NJ, (7) Memorial Sloan Kettering Cancer Center, West Harrison, NY
TU-D-KDBRA1-5Performance of a Dual-Layer Staggered MLC System in Stereotactic Treatment for Multiple Brain Metastases with a Single Isocenter: A Dosimetric Comparison Across Three Delivery Techniques
T Li1*, H Liu2 , W Shi2 , J Zou1 , B Teo1 , L Dong1 , (1) University of Pennsylvania, Philadelphia, PA, (2) Thomas Jefferson University, Philadelphia, PA
TU-D-KDBRA1-7SRS Plan Evaluation and Optimization Metrics, Is It Time to Move Past CI and GI?
G Baran1*, M Dominello2 , J Burmeister1,2 , (1) Karmanos Cancer Institute, Detroit, MI, (2) Wayne State University School of Medicine, Detroit, MI
TU-D-KDBRB1-5Quantitative Comparison of Proton, Helium- and Carbon-Ion Computed Tomography for Ion Therapy Treatment Planning
S Meyer1*, F Kamp2 , A Mairani3,4 , C Belka2,5 , D Carlson6 , C Gianoli1 , K Parodi1,7 , (1) Ludwig-Maximilians-Universitaet Muenchen, Garching b. Muenchen, Bavaria, (2) University Hospital LMU Munich, Munich, Bavaria, (3) Heidelberg Ion Beam Therapy Center, Heidelberg, Baden-Wuerttemberg, (4) Fondazione CNAO, Pavia, Lombardy, (5) German Cancer Consortium, Munich, Bavaria, (6) Yale university School of Medicine, New Haven, CT, (7) Heidelberg University Hospital, Heidelberg, Baden-Wuerttemberg
TU-E115-GePD-F1-2Contrast Enhance Digital Mammography Based On Photon-Counting Detector
M Lee*, D Lee , H Kim , D Kim , H Kim , Yonsei University, Wonju, Gangwon
TU-E115-GePD-F3-1A Machine Learning Process for Delta Radiomics
H Nasief*, X Li , Froedtert Hospital and the Medical College of Wisconsin, Milwaukee, WI
TU-E115-GePD-F3-4The Effect of MLC Leaf Width in Single Isocenter Multi-Target Radiosurgery with VMAT
Z Abisheva*, J Adamson , S Floyd , J Salama , F Yin , W Giles , Duke University Medical Center, Durham, NC
TU-E115-GePD-F4-6Trajectory-Based Dynamic Couch Motion Optimization Technique for Intracranial Stereotactic Radiosurgery: A Single π-Based Geometry Approach for Brain SRS Treatment Planning
G Gill*, R Jakubovic , J Chang , Long Island Jewish Medical Center, Northwell Health, NY
TU-E115-GePD-F5-1Preliminary Study of Motion Artifact Reduction in Volumetric 4-Dimensional Computed Tomography
HM Young1,2*, J Kempe1 , T Lee2 , S Gaede1,2 , (1) London Regional Cancer Program, London, Ontario, (2) Department of Medical Biophysics, University of Western Ontario, London, Ontario
TU-E115-GePD-F5-5Evaluation of Uncertainties in Lung SBRT Treatment Planning Using 4D Dose Calculation and DIR
J Azcona1*, M Moreno-Jimenez2 , C Huesa3 , B Barbes4 , J Aristu5 , J Burguete6 , (1) ,,,(2) Clinica Universidad de Navarra, Pamplona, Navarra, (3) Clinica Universidad de Navarra, Pamplona, Navarra, (4) Clinica Universidad de Navarra, Pamplona, Navarra, (5) Clinica Universidad de Navarra, Pamplona, Navarra, (6) Universidad de Navarra, Pamplona, Navarra
TU-E115-GePD-F9-1A Study of Tumor Dose Coverage for ITV-Based Lung SBRT
L Huang*, V Sarkar , A Paxton , H Zhao , Y Huang , M Szegedi , P Rassiah-Szegedi , F Su , G Nelson , B Salter , University Utah, Salt Lake City, UT
TU-E115-GePD-F9-4Evaluating the Plan Quality and Treatment Efficiency for Single-Isocenter/Two-Lesion Lung SBRT
L Sanford*, J Molloy , R McGarry , D Pokhrel , University of Kentucky, Lexington, KY
TU-E115-GePD-F9-6Which One to Pick? Dm Or Dw for Stereotactic, Single Dose Irradiation of Spine Metastases?
S Lachowicz*, D Pokhrel , University of Kentucky, Lexington, KY
TU-GH-KDBRC-7Motion Compensated Dynamic MRI Reconstruction in Compressed Sensing Framework Using Local Affine Optical Flow Constraint
N Zhao*, D O'Connor , D Ruan , K Sheng , UCLA School of Medicine, Los Angeles, CA
TU-GH-KDBRC-9A Novel Multi-Material Decomposition Method for Dual Energy CT
Q Lyu1*, D O'Connor1 , T Niu2 , K Sheng1 , (1) UCLA School of Medicine, Los Angeles, CA, (2) Zhejiang University, Hangzhou, Zhejiang
TU-GH-KDBRC-12Distinctive Energy Profile of Water-Soluble,Thiolate-Protected Gold Nanoparticles as Potential Molecular Marker for XFCTImaging
R Zaman*, D Vernekhol , M Azubel , R Kornberg , L Xing , Stanford university School of Medicine, Stanford, CA
TU-I345-GePD-F2-1Cone Beam CT as a Clinical QA Tool for Prostate MRI-Only Workflows
E. Palmer1 , E. Persson1,2* , C. Gustafsson1,2 , P. Ambolt1 , A. Gunnlaugsson1 , L. E. Olsson1,2, (1) Department of Hematology, Oncology and Radiation Physics, Skane University Hopsital, Lund, Sweden (2) Department of Medical Radiation Phyiscs, Lund University, Malmo, Sweden
TU-I345-GePD-F3-4Shortcomings of Common Conformity and Gradient Indices for Multi-Target SRS Plans
G Baran1*, M Dominello2 , J Burmeister1,2 , (1) Karmanos Cancer Institute, Detroit, MI, (2) Wayne State University School of Medicine, Detroit, MI
TU-I345-GePD-F3-5Quantitative Evaluation of a Fully Automated, Patient-Specific Spine Stereotactic Body Radiotherapy Planning Routine
B Ziemer*, O Morin , University of California San Francisco, San Francisco, CA
TU-I345-GePD-F5-1Achievable Image Quality Metrics From Initial Institutional Experience with Leksell Gamma Knife Icon
C Tien*, F Guo, M Petrongolo, JE Bond, Z Chen, Yale School of Medicine, New Haven, CT
TU-I345-GePD-F5-4Localization Methods of the Gamma Knife Icon and Effects of Image Scan Parameters
W Duggar*, C Yang , University of Mississippi Med. Center, Jackson, MS
TU-I345-GePD-F5-6Development of a Patient Specific Collision Detection Algorithm for Non-Coplanar Cone Beam CT in Stereotactic Radiosurgery Using Eclipse Scripting
T Mann1,2*, N Ploquin1,2, T Novak2, K Thind1,2, (1) University of Calgary, Calgary, AB, (2) Tom Baker Cancer Center, Calgary, AB
TU-I345-GePD-F6-1A Direct Comparison of Commercial Surface Imaging and Radiographic Imaging for SRS Alignment in Phantom
D Wiant*, H Liu , Q Shang , T Hayes , J Maurer , B Sintay , Cone Health Cancer Center, Greensboro, NC
TU-I345-GePD-F6-4Feasibility Study of Four-Dimensional Digital Tomosynthesis Using GPU-Accelerated Compressed-Sensing (CS) Image Reconstruction for Faster Tumor Localization
S Choi1*, S Hsieh2 , D Lee3 , S Choi4 , H Kim5 , (1) Yonsei University, Wonju, Gangwon, (2) UCLA, (3) Yonsei University, Wounju, Gangwon, (4) Yonsei University, Wonju, Gangwon, (5) Yonsei Univ, Wonju,
TU-I345-GePD-F6-5Mobile CT-Based Image Guided Radiation Therapy
Y Park*, T Chiu , A Pugachev , S Jiang , UT Southwestern Medical Center, Dallas, TX
TU-I345-GePD-F9-2Identifying Predictors of Unplanned Hospitalizations After Radiotherapy Using Regularized Survival Models
C Ahern1*, T Pheiffer1 , C Berlind1 , W Lindsay1 , Y Xiao2 , C Simone3 , (1) Oncora Medical, Inc., Philadelphia, PA, (2) University of Pennsylvania, Philadelphia, PA, (3) University of Maryland School of Medicine, Baltimore, Maryland
TU-I345-GePD-F9-6Deep Neural Network-Based Modeling of Radiation Pneumonitis Following Lung Stereotactic Body Radiotherapy
S Wang*, A Smith , J Ryckman , M Baine , D Zheng , Y Lei , C Zhang , N Bennion , Q Fan , C Lin , C Enke , S Zhou , University of Nebraska Medical Center, Omaha, NE
TU-J430-CAMPUS-F1-1A New Denoising Method Based On Wavelet Coefficient Classification in Scatter Corrected CBCT Images
Y Li , Z Yu , G Yu , D Li*, Shandong Normal University, Jinan, Shandong
TU-J430-CAMPUS-F1-2Efficient Tomosynthesis Reconstruction Via Alternating Direction Method of Multipliers
J huang1*, B Li1 , S Wu2 , H Qi2 , J Ma1 , Z Ding1 , G Qin3 , L Zhou1 , Y Xu1 , (1) Southern Medical University, Guangzhou, Guangdong,(2) Guangzhou Huaduan Technology Co. Ltd., Guangzhou, guangdong,(3) Southern Medical University, Guangzhou, Guangdong,Guangdong
TU-J430-CAMPUS-F1-3Impact of GPU-Accelerated Sparse-View Reconstruction for Radiation Dose Reduction in Dedicated Breast CT
H TSENG*, S Vedantham , A Karellas , University of Arizona, Tucson, AZ
TU-J430-CAMPUS-F2-3Interactive Refinement of Head and Neck Structures Using Multi-Atlas Based Probabilistic Segmentation Maps
R Haq*, S Berry , A Iyer , A Apte , M Hunt , J Deasy , H Veeraraghavan , Memorial Sloan-Kettering Cancer Center, New York, NY
TU-J430-CAMPUS-F3-1Analytical and Monte-Carlo Modeling of a Unique Beta-Source in Relation to Skin Surface Dosimetry
O Pen1*, J Bourland2 , P Antinozzi3 , (1) Wake Forest University, Virginia Tech-Wake Forest University School of Biomedical Engineering and Sciences, Winston-Salem, NC, (2) Wake Forest University, Wake Forest School of Medicine, Department of Radiation Oncology, Winston-Salem, NC, (3) Wake Forest University, Wake Forest School of Medicine, Department of Biochemistry, Winston-Salem, NC
TU-J430-CAMPUS-F3-2Custom 3-D Printed Skin Compensating Bolus and Collimation Shielding
A Rapchak*, T Bista , C Page , T Sokolowski , A Sadeghi , Banner MD Anderson Cancer Center, Gilbert, AZ
TU-K-202-4Automated Segmentation of Malignant Pleural Mesothelioma Tumor On Computed Tomography Scans Using Deep Convolutional Neural Networks
E Gudmundsson1*, C Straus2 , A Nowak3 , H Kindler4 , S Armato5 , (1) ,,,(2) University of Chicago, Chicago, Illinois, (3) University of Western Australia, Crawley, WA, (4) University of Chicago, Chicago, Illinois, (5) The University of Chicago, Chicago, IL
TU-K-202-7Machine Learning On Quality Control of Chest CT Chest Exams: Scan Length Optimization
D Huo*, A Scherzinger , University Colorado Denver, School of Medicine, Aurora, CO
TU-K-DBRA-2Design and Validation of 3D Printed Patient Specific Tissue Compensators for Post Mastectomy Radiation Therapy
D Craft1*, S Kry1 , P Balter1 , W Woodward2 , M Salehpour1 , G Baltz1 , M Peters1 , R Howell1 , (1) Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX, (2) Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX
TU-K-DBRB-3Application and Performance Evaluation of a Modified BM3D Denoising Method to Emphysema Scoring On Ultra-Low-Dose CT Images
T Zhao*, J Hoffman , M McNitt-Gray , D Ruan , David Geffen School of Medicine at UCLA, Los Angeles, CA
TU-K-DBRB-5Simple Image Domain Denoising with An Adaptive Bilateral Filter Drastically Improves the Robustness of Quantitative Emphysema Scoring to Changes in Dose, Reconstruction Kernel, and Slice Thickness
J Hoffman*, S Hsieh , G Kim , M Brown , J Goldin , M McNitt-Gray , David Geffen School of Medicine at UCLA, Los Angeles, CA
TU-K-DBRB-6Robustness of Lung Segmentation On Ultra-Low-Dose Chest CT Using Convolutional Neural Network
X Wang*, C Chou , J Hoffman , N Emaminejad , M Wahi-Anwar , M McNitt-Gray , M Brown , David Geffen School of Medicine at UCLA, Los Angeles, CA
TU-K-DBRB-7A Peritumoral Imaging Biomarker for Predicting Distant Metastasis in Adenocarcinoma NSCLC Patients
T Dou*, T Coroller , R Mak , H Aerts , Department of Radiation Oncology, Dana-Farber/Brigham and Women's Cancer Center, Boston, MA
TU-K-KDBRC-5Modulated Electron Arc Therapy (MEAT) with 3D Bolus and Photon MLC for Chest Wall Radiotherapy
C Ma*, D Parsons , M Chen , X Gu , W Lu , UT Southwestern Medical Center, Dallas, TX
TU-K-KDBRC-8Aerrow: A Probe-Format Graphite Calorimeter for Absolute Dosimetry of MR-Guided Radiotherapy Modalities
J Renaud1*, A Sarfehnia1,2 , J Bancheri1 , J Seuntjens1 , (1) McGill University, Montreal, QC, (2) Sunnybrook Health Science Center, Toronto, ON
WE-AB-202-11T2-Weighted Spin-Echo Multislice MRI with Sub-Millimeter Through-Plane Resolution
S Kargar1*, E Borisch1 , R Grimm1 , A Kawashima2 , S Riederer1 , (1) Mayo Clinic, Rochester, MN, (2) Mayo Clinic, Scottsdale, Arizona
WE-AB-KDBRB1-4On the Systematic Feasibility Analysis of Performing Lung Elastography Using Low-Dose 4DCT Imaging
K Hasse*, S Hsieh , D O'Connell , J Neylon , Y Min , D Low , A Santhanam , UCLA, Los Angeles, CA
WE-AB-KDBRB1-8Raman Spectroscopy for Assessing Normal and Cancer Response in Vitro Following Radiation Exposure
S Devpura1*, S Brown1 , Y Zhang1 , K Barton1 , F Siddiqui1 , S Sethi2 , G Divine1 , A Pandya3 , I Chetty1 , (1) Henry Ford Health System, Detroit, MI, (2) University of Michigan VA, Ann Arbor, MI, (3) Wayne State University, Detroit, MI
WE-AB-KDBRC-2Longitudinal Assessment of 4DCT-Derived Ventilation Change Following Radiation Therapy
TJ Patton1*, SE Gerard2 , W Shao2 , GE Christensen2 , JM Reinhardt2 , AM Baschnagel1 , JE Bayouth1 , (1) University of Wisconsin - Madison, Madison, WI, (2) The University of Iowa, Iowa City, IA
WE-AB-KDBRC-3Investigation of Dose-Correlated MR Biomarker Changes in Brain Metastases Post-SRS
J Winter1*, F Moraes1 , C Chung2 , C Coolens1 , (1) Princess Margaret Cancer Center, Toronto, Ontario, (2) The University of Texas MD Anderson Cancer Center, Houston, Texas
WE-AB-KDBRC-4Clinical Validation of Four-Dimensional Computed Tomography-Based Lung Ventilation Images Using Texture Feature Analysis and Pulmonary Function Test
H Zhang1*, M Huang2 , S Feigenberg2 , A Berman2 , W Lu3 , V Jain2 , Y Xiao2 , P Jin2 , P Mohindra1 , C Simone1 , S Bentzen1 , W D'Souza1 , (1) University of Maryland School of Medicine, Baltimore, MD, (2) University of Pennsylvania, Philadelphia, PA, (3) Memorial Sloan Kettering Cancer Center, New York, NY,
WE-AB-KDBRC-7Comparison of Regional Lung Perfusion Response On Longitudinal MAA SPECT/CT in Lung Cancer Patients Treated with and Without Functional Lung Avoidance Radiation Therapy
H Thomas 1*, J Zeng1 , H Lee2 , B Sasidharan3 , P Kinahan1 , R Miyaoka1 , H Vesselle1 , R Rengan1 , S Bowen1 , (1) University of Washington School of Medicine, Seattle, WA, (2) Duke University, Durham, North Carolina, (3) Christian Medical College Vellore, Vellore, Tamil Nadu
WE-AB-KDBRC-8Characterizing Spatial Lung Function for Esophageal Cancer Patients
A PINDER-ARABPOUR1*, B Jones1 , R Castillo2 , E Castillo3 , T Guerrero3 , K Goodman1 , T Schefter1 , J Kwak1 , M Miften1 , Y Vinogradskiy1 , (1) University of Colorado, Aurora, CO, (2) Emory Univ, Atlanta, GA, (3) Beaumont Health, Royal Oak, MI
WE-AB-KDBRC-11Impact of Mis-Match Between Liver Function and Hepatic Perfusion On Functional Avoidance Treatment Planning
J Simeth*, N Baughan , J Dow , R Ten Haken , A Johansson , M ARYAL , D Owen , K Cuneo , T Lawrence , Y Cao , M Matuszak , University of Michigan, Ann Arbor, MI
WE-C1000-GePD-F1-1A Look at Radiation Dose Dependence On Subject Size at Locations Across and Beyond CT Scan Range
X Li*, K Yang , B Liu , Massachusetts General Hospital, Boston, MA
WE-C1000-GePD-F1-2Adult Oncology CT Patient Organ Dose and Effective Dose Estimates
Y Gao1*, B Quinn2 , U Mahmood3 , X Xu4 , L Dauer5 , (1) Memorial Sloan-Kettering Cancer Center, New York, NY, (2) Memorial Sloan Kettering Cancer Center, New York, NY, (3) Memorial Sloan Kettering Cancer Center, Lynbrook, NY, (4) Rensselaer Polytechnic Inst., Troy, NY, (5) Memorial Sloan-Kettering Cancer Ctr, New York, NY
WE-C1000-GePD-F1-4Exponential Function Modeling of Radiation Dose Dependence On Subject Size in CT: Water Phantoms Versus Patient Organs
X Li*, K Yang , B Liu , Massachusetts General Hospital, Boston, MA
WE-C1000-GePD-F2-4Multi-Vendor Evaluation of Inter-CBCT Protocol Registration Variations
M Trager*, K Mooney , Thomas Jefferson University Hospital, Philadelphia, PA
WE-C1000-GePD-F3-1Characterization of a Novel EPID Dosimetry System for KV X-Ray Exit Dose Verification in Pre-Clinical Studies
A Anvari*, Y Poirier , A Sawant , University of Maryland School of Medicine, Baltimore, MD
WE-C1000-GePD-F3-2Novel, EPID-Based Quality Assurance Framework for a Small Animal Image-Guided Radiotherapy System
A Anvari*, Y Poirier , A Sawant , University of Maryland School of Medicine, Baltimore, MD
WE-C1000-GePD-F4-1Accuracy of Predicting Post-Therapy Exposure Rate and Clearance Effective Half-Life of 131I-Metaiodobenzylguanidine From Dosimetric Study Measurements
W Erwin*, R Wendt, UT MD Anderson Cancer Center, Houston, TX
WE-C1000-GePD-F5-1Real-Time Patient Breath Hold Assessment for Deep Inspiration Breath Hold (DIBH) Treatments of Breast Cancer Using Portal Imaging Based Monitoring
T Fuangrod1 , P Greer2,3 , J Lehmann2,3,4*, (1) HRH Princess Chulabhorn College of Medical Science, Bangkok, Thailand (2) Department of Radiation Oncology, Calvary Mater Newcastle, Newcastle, Australia, (3) School of Mathematical and Physical Sciences, University of Newcastle, Newcastle, Australia, (4) Institute of Medical Physics, University of Sydney, Sydney, Australia
WE-C1000-GePD-F6-3A New Respiration Monitoring System Based On Pressure Measurement
X Zhang1*, G Sharp2 , L Xiao3 , S Xu4 , J Tang5 , H Lu6 , (1) Tsinghua University, Beijing, Beijing, (2) Massachusetts General Hospital, Boston, MA, (3) Tsinghua University, Beijing, Beijing, (4) PLA General Hospital, Beijing, Beijing, (5) Tsinghua, Beijing, Beijing, (6) Massachusetts General Hospital, Boston, MA
WE-C1000-GePD-F6-4Evaluation of C-RAD Catalyst HD for SRS
S Kamath*, Z Chen , Yale New Haven Hospital, New Haven, CT
WE-C1000-GePD-F7-3Quality Assurance for Multi-Focal Single Isocenter Stereotactic Radiosurgery Through 3D Gel Dosimetry
D Saenz1*, K Papanikolaou1, K Rasmussen1 , N Kirby1 , S Stathakis1 , E Pappas2 , Y Li1 , (1) Ut Health San Antonio, San Antonio, Texas, (2) RTsafe P.C., Athens, Greece
WE-C1000-GePD-F8-4Hospital-Wide Exposure Index Analysis for the Optimization of Exam-Specific Target Exposure Index
T Roberts*, L DeWeese , T Griglock , Oregon Health & Science Univ, Portland, OR
WE-C1000-GePD-F8-5Monte Carlo Study of NanoDot OSLD for Surface Dose Measurements in Kilovoltage X-Ray Beams
F Araki1*, (1) Kumamoto University, Kumamoto,
WE-C1000-GePD-F9-6Streamlined End-To-End Protocols for Standardized SBRT Plans
R Culcasi1*, G Baran2 , M Snyder1,3 , (1) Wayne State University School of Medicine, Detroit, MI, (2) Karmanos Cancer Institute, Detroit, MI, (3) Beaumont Health System, Royal Oak, MI
WE-C1030-GePD-F1-1Comparing Lung and Breast Doses of Chest CT Exams From Organ-Based Tube Current Modulation (TCM) to Conventional Attenuation-Based TCM
A Hardy1*, R Layman2 , D Cody2 , M Bostani1 , C Cagnon1 , M McNitt-Gray1 , (1) UCLA, Los Angeles, CA, (2) UT MD Anderson Cancer Center, Houston, TX
WE-C1030-GePD-F1-5A Fast Monte Carlo Simulation Model for Wide-Beam CT Scanner
E Somasundaram1*, N Artz2 , S Brady1 , (1) Cincinnati Children's Hospital Medical Center, Cincinnati, Oh, (2) St Jude Children's Research Hospital, Memphis, Tn
WE-C1030-GePD-F2-1A Phantom Study to Determine the Dosimetric Effects of the Primary Image Choice Used for SBRT Radiotherapy Planning Following 4DCT Simulation
R Teboh Forbang*, B Lewis , A Ndlovu , Hackensack university Medical Center, Hackensack, NJ
WE-C1030-GePD-F2-2On the Equivalence of Mean CT Scans Used for Dosimetric Planning
V Sarkar* , G Nelson , A Paxton , S Lloyd , L Huang , F Su , M Szegedi , B Salter , University of Utah, Salt Lake City, UT
WE-C1030-GePD-F3-1Clinical Impact of Upgrading Electron Calculation From Pencil Beam to Monte Carlo for Accelerated Partial Breast Irradiation (APBI)
S Zieminski*, Y Wang , Department of Radiation Oncology, Massachusetts General Hospital, Harvard Medical School, Boston, MA
WE-C1030-GePD-F3-5Dosimetric Impact of Rotational Setup Errors On Multiple Brain Targets Treated with Single Isocenter Volumetric Modulated Arc Therapy
J Xue*, D No , J Zhang , H Wang , D Barbee , S Lymberis , J Silverman , I Das , NYU Langone Medical Center, New York, NY
WE-C1030-GePD-F4-6Multi-Classification of Clinical Notes for Natural Language Processing-Based Information Aggregation in Radiotherapy
D Ruan*, Y Min , D Low , M Steinberg , UCLA, Los Angeles, CA
WE-C1030-GePD-F5-5The Impact of Multi-B-Value On Radiomic Features of MR Diffusion Weighted Imaging in Hepatocellular Carcinoma
J Zhang*, Q Qiu , J Duan , Y Yin , Shandong Cancer Hospital Affiliated to Shandong University, Jinan, Shandong
WE-C1030-GePD-F7-4Small Static Fields: Real-Time Assessment of the Accuracy of a Treatment Planning System (TPS) Calculated Dose with a Step-And-Shoot Method
G Biasi1*, N Hardcastle12 , M Petasecca1 , S Guatelli1 , A Rozenfeld1 , T Kron123 , (1) University of Wollongong, Wollongong, NSW, Australia, (2) Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia, (3) Sir Peter MacCallum Cancer Institute, University of Melbourne, Victoria, Australia
WE-C1030-GePD-F8-2A Sandwich Architecture to Combine Model Based Image Reconstruction Method and Deep Learning Method for Low Dose CT Reconstruction
C Zhang*, Y Li , J Hayes , G Chen , University of Wisconsin, Madison, WI
WE-C1030-GePD-F8-3Content-Oriented Sparse Representation (COSR) Denoising in Perfusion CT for Dose Reduction
Huiqiao Xie, Xiangyang Tang*, Emory University School of Medicine, Atlanta, GA
WE-C1030-GePD-F8-6Impact of CT Model-Based Iterative Reconstruction On Auto-Segmentation of Prostate Cancer Organs at Risk
C Miller1,2*, D Mittelstaedt, N Black3, P Klahr3, S P. Nejad-Davarani1, H Schulz3, L Goshen3, E Morris1,2, C Glide-Hurst1,2 (1) Henry Ford Cancer Institute, Detroit, MI, (2) Wayne State University, Detroit, MI (3) Philips Healthcare, Cleveland, OH
WE-C1030-GePD-F9-13D Conformal Radiotherapy for Early-Stage Breast Cancer Delivered in the Prone Position Is Robust to Daily Setup Variations
H Al-Hallaq*, A Xiao , G Hubert , Y Hasan , J Jutzy , S Chmura , H Al-Hallaq , The University of Chicago, Chicago, IL
WE-C1030-GePD-F9-6Use of Passive Intensity Modulation for Bolus Electron Conformal Therapy
R Carver1,2*, E Chambers2 ,E Hilliard2 , K Erhart3, K Hogstrom1,2 , (1) Mary Bird Perkins Cancer Center, Baton Rouge, LA, (2) LSU Dept. of Physics & Astronomy, Baton Rouge, LA, (3) .decimal, LLC Sandford, FL 32771
WE-C930-GePD-F1-2Method of Binning Aggregated Radiation Dose Structured Report Data with Applications in the Identification of Deviating Examinations and the Calculation of Typical Dose Indices On An Acquisition Protocol and Series Level in Computed Tomography
R Bujila1*, P Nowik2 , (1) Karolinska University Hospital, Stockholm, ,(2) Karolinska Institutet, Stockholm, Stockholm
WE-C930-GePD-F1-3Utilization of Voxel Phantom to Evaluate the Bone Marrow Dose in Pelvis CT Imaging of Children Using GATE Monte Carlo Code
S MehdizadehNaderi1,2*, R Safari1 , A Mehdizadeh1 , Z Moradi1 , S sina1,2 , (1) Nuclear engineering department, Shiraz University, Shiraz, Iran (2) Radiation Research Center, Shiraz University, Shiraz, Iran
WE-C930-GePD-F1-4When to Use a Breast Shield in Pediatric CAP CT Studies: Understanding the Limitations of Global Dose Reduction Strategies
E Marshall*, Z Lu , Y Zhang , J Finkle , K Feinstein , I Reiser , A Jones , University of Chicago, Chicago, IL
WE-C930-GePD-F1-5Effective Energy in a CT Phantom Obtained From the Thermoluminescent Glow Curve of TLD-300
JA Rojas-Lopez1 , E Lopez-Pineda1 , CA Reynoso-Mejia2 , ME Brandan1*, (1) Universidad Nacional Autonoma de Mexico, Inst de Fisica, Mexico City, Mexico,(2) Inst Nac de Neurologia y Neurocirugia, Mexico City, Mexico
WE-C930-GePD-F2-3The Use of DirectDensityTM and Dual-Energy CT in the Radiation Oncology Clinic
G Nelson*, V Sarkar , F Su , V Pigrish , B Salter , University Utah, Salt Lake City, UT
WE-C930-GePD-F2-4The Use of Dual-Layer CT Improves the Stopping Power Calculation for Proton Therapy
J Zhu1*, Y Yan1 , N Shapira2 , Y Yagil2 , J Uh1 , T Merchant1 , C Hua1 , (1) St. Jude Children's Research Hospital, Memphis, TN, (2) Philips Medical Systems, Haifa, ISRAEL
WE-C930-GePD-F3-1Comparison Between TrueBeam Millennium And High Definition MLC With Halcyon Dual-Layer MLC: Impact of Collimator Leaf Width On Plan Quality for Stereotactic Body Radiotherapy for Spine Tumors
H Petroccia*, L Dong , I Malajovich , B Teo , T Li , University of Pennsylvania, Philadelphia, PA
WE-C930-GePD-F3-2Dosimetric Evaluation of Three Stereotactic Radiosurgery Treatment (SRS) Options for Multiple Brain Metastases
I Vergalasova1*, H Liu2 , W Shi2 , K Nie1 , N Yue1 , T Li3 , (1) Rutgers Cancer Institute of New Jersey, New Brunswick, NJ, (2) Thomas Jefferson University, Philadelphia, PA, (3) University of Pennsylvania, Philadelphia, PA
WE-C930-GePD-F4-6Patient Specific Quality Assurance for GammaPod: A Novel Dedicated Breast Stereotactic Radiosurgery Device
S Becker1*, Y Niu2 , Y Mutaf3 , C Yu1,2 , Y Poirier1 , S Feigenberg4 , E Nichols1 , B Yi1 , (1) university of Maryland School Of Medicine, Baltimore, MD, (2) Xcision Medical Systems, Columbia, MD, (3) Boston University Medical Center, Boston, MA, (4) University of Pennsylvania, Philadelphia, Pennsylvania
WE-C930-GePD-F6-6Assessment of the Suitability of the Dice Similarity Coefficient as a Dosimetry Metric Using a Treatment Planning Study in Prostate Cancer
D Wang*, W Smith , M Phillips , university Washington, Seattle, WA
WE-C930-GePD-F8-6Robust 4D-MRI Sorting with Reduced Artifacts Based On Anatomic Feature Matching
Z Yang1*, L Ren2 , F Yin3 , X Liang4 , J Cai5 , (1) Duke University, Durham, NC, (2) Duke University Medical Center, Durham, NC, (3) Duke University Medical Center, Durham, NC, (4) Duke University, Durham, NC, (5) The Hong Kong Polytechnic University, Kowloon, Yau Tsim Mong
WE-C930-GePD-F9-4The Effect of Setup Uncertainty On Optimal Prescription Percentage Isodose Surface (%IDS) in Stereotactic Radiosurgery
X Duan*, W Giles , F Yin , Duke University Medical Center, Durham, NC
WE-C930-GePD-F9-5Characterizing Isocenter Reproducibility for Linac-Based Stereotactic Treatment Accuracy
D Pinkham1*, S Hancock2 , (1) Yale New Haven Hospital, New Haven, CT, (2) Southeast Missouri Hospital, Cape Girardeau, MO
WE-FG-207-3Deep Learning for Automated Quantification of Tumor Phenotypes
A Hosny1*, T Coroller1 , P Grossmann1 , C Parmar1 , R Zeleznik1 , A Kumar1 , J Bussink2 , R Gillies3 , R Mak4 , H Aerts1 , (1) Department of Radiation Oncology, Dana-Farber Cancer Institute, Brigham and Women Hospital, Harvard Medical School, Boston, MA, (2) Radboud University, Nijmegen, Nijmegen, (3) Moffitt Cancer Center, Tampa, FL, (4) Brigham and Women's Hospital, Boston, MA
WE-FG-207-4Automated-Adaptive Iterative Metal Artifact Reduction: Quantitative Evaluation of Streak Artifact Reduction When Reconstructing CT Images in Presence of Metal
N Mistry1*, I Duba1 , A Halaweish1 , B Schmidt2 , C Hofmann2 , (1) Siemens Medical Solutions Inc. USA, Malvern, PENNSYLVANIA, (2) Siemens Healthcare GmbH, Erlangen
WE-FG-207-5Dialysate Cooling During Hemodialysis: Assessment of Liver Hemodynamics Using CT Perfusion Imaging
R Marants1*, E Qirjazi1,2 , C McIntyre1,2,3 , T Lee1,3,4 , (1) Department of Medical Biophysics, Western University, London, Canada (2) The Lilibeth Caberto Kidney Clinical Research Unit, London Health Sciences Centre, London, Canada (3) Lawson Health Research Institute, London, Canada (4) Robarts Research Institute, Western University, London, Canada
WE-FG-207-9Manufacturer-Neutral Simulation and Reconstruction of Low-Dose CT Patient Projection Data
J Weaver*, L Yu , T Moen , S Tao , C McCollough , Mayo Clinic, Rochester, MN
WE-FG-KDBRA1-6Development of Quality Assurance Method for Dynamic Electron Arc Radiotherapy (DEAR)
X Wang1*, D Sawkey2 , Q Wu1 , (1) Duke University Medical Center, Durham, NC, (2) Varian Medical Systems, Palo Alto, CA
WE-FG-KDBRB1-1Strategies to Mitigate Gantry Angle Specific Inhomogeneities in a Low-Field MR-Linac
C Glide-Hurst1*, S P. Nejad-Davarani1 , J Kenney2 , D Du1 , J Kim1 , I Chetty1 , (1) Henry Ford Cancer Institute, Detroit, MI (2) ViewRay, Oakwood Village, OH
WE-FG-KDBRB1-8Deep Learning for Head and Neck Segmentation in MR: A Tool for the MR-Guided Radiotherapy
B Anderson*, B Elgohari , C Cardenas , A Mohamed , P Yang , C Fuller , C Chung , K Brock , UT MD Anderson Cancer Center, Houston, TX
WE-HI-KDBRB1-1A General Patient Motion Compensation in Robotic Systems Using Optimization Based 6DoF Trajectory Planning
X Liu*, R Wiersma , The University of Chicago, Chicago, IL
WE-J-207-4Combined Optimization of Dynamic Axes (CODA) for Stereotactic Radiosurgery
L MacDonald1*, A Syme2 , L Ward3 , B Little4 , C Thomas5 , (1) ,,,(2) Dalhousie University, Halifax, Nova Scotia, (3) Nova Scotia Health Authority, Halifax, Nova Scotia, (4) Nova Scotia Health Authority, Halifax, Nova Scotia, (5) Nova Scotia Cancer Centre, Halifax, NS