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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # | show all

Keywords: Image-guided Therapy
BReP-SNAP-I-8B0 Variation From Ferromagnetic Gantry Rotation
H Gach*, A Curcuru, D Yang, O Green, S Mutic, T Kim, Washington University in St. Louis, St. Louis, MO
BReP-SNAP-M-12A Novel Multi-Path 3D Dense-UNet for Improving Automatic Segmentation of the Glioblastoma GTV On Multi-Modal MR Images
J Lewis1*, K Singhrao2, Y Yang2, X Qi2, D Ruan2, J Fu2, (1) Cedars-Sinai Medical Center, Beverly Hills, CA, (2) Department of Radiation Oncology, UCLA, Los Angeles, CA
BReP-SNAP-M-16Assessing Inter and Intrafraction Target Motion in Lung SBRT Using Deformable Image Registration
J Liang*, D Lack, Q Liu, R Sandhu, L Benedetti, C Stevens, D Yan, Beaumont Health, Royal Oak, MI
BReP-SNAP-M-28Beams-Eye-View Tracking of Prostate Fiducial Markers During VMAT Treatments
A Mylonas1,2*, E Hewson1, P Keall1, J Booth3, D Nguyen1,2, (1) ACRF Image X Institute, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia, (2) School of Biomedical Engineering, University of Technology Sydney, Sydney, NSW, Australia, (3) Northern Sydney Cancer Centre, Royal North Shore Hospital, Sydney, NSW, Australia
BReP-SNAP-M-32Cardiac Substructure Tracking During Ablative Radiotherapy
N Hindley1*, C Shieh2, S Lydiard1,3,4, T Reynolds1, P Keall1 (1) ACRF Image X Institute, University of Sydney, NSW, Australia (2) Brain and Mind Research Institute, University of Sydney, NSW, Australia (3) Ingham Institute for Applied Medical Research, NSW, Australia (4) Department of Radiation Oncology, Auckland District Health Board, AU, New Zealand
BReP-SNAP-M-37Combining Delta-Radiomics and Clinical Biomarkers Based On KNN-PCA Classification to Improve Treatment Outcome Prediction for Pancreatic Cancer
H Nasief1*, W Hall2, C Zheng3, S Tsai4, B Erickson5, X Li6, (1) Medical College of Wisconsin, Milwaukee, WI, (2) Medical College of Wisconsin, Milwaukee, WI, (3) University of Wisconsin Milwaukee, Milwaukee, WI, (4) Medical College of Wisconsin, Milwaukee, WI, (5) Medical College of Wisconsin, Milwaukee, WI, (6) Medical College of Wisconsin, Milwaukee, WI
BReP-SNAP-M-44Cone Beam CT-Guided Adaptive Strategy in Pre-Operative Gastric Cancer Radiotherapy
M Bleeker1*, K Goudschaal1, A Bel1, J-J Sonke1,2, MCCM Hulshof1, A van der Horst1 (1) Amsterdam UMC, University of Amsterdam, Radiation Oncology, Meibergdreef 9, Amsterdam, NL,(2) Netherlands Cancer Institute, Radiation Oncology, Amsterdam, NL
BReP-SNAP-M-51Deep Learning-Based Deformable Image Registration Method and Multiple Reference Registration Strategy for Tumor Target Tracking in 2D Cine MRI
y zhang*, T Mazur, X Wu, H Li, H Gach, D Yang, Washington University in St. Louis, St. Louis, MO
BReP-SNAP-M-61Development of An Inexpensive Patient Setup and Monitoring System Using An Open Source, GPU Computed, Deep Learning Algorithm
D Cho*, D Mah, Procure Proton Therapy Center, Somerset, NJ
BReP-SNAP-M-62Dosimetric Impact of Interfraction Anatomical Variations On Breath-Hold SBRT for Pancreatic Cancer
J Niedzielski*, S Ng, S Beddar, R Martin, E Holliday, G Smith, B Minsky, A Koong, C Taniguchi, P Das, E Koay, G Sawakuchi, UT MD Anderson Cancer Center, Houston, TX
BReP-SNAP-M-65Evaluation of a Localized Correlation Based Predictive Metric as a Decision Making Tool in Online Image Guidance and Offline Adaptive Prostate Radiotherapy
A Gopal*, B Zhang, G Lasio, S Lee, B Yi, Univ. of Maryland School Of Medicine, Baltimore, MD
BReP-SNAP-M-66Evaluation of Lung Cancer SBRT Plans with Large Daily Tumor Motion Variations Using Daily 4D-CBCT
S Balik1*, C Yurtsever2, T Zhuang3, P Qi2, G Videtic2, K Stephans2, P Xia2, (1) University of Southern California, Los Angeles, CA, (2) The Cleveland Clinic Foundation, Cleveland, OH,(3) Texas Oncology, Keller, TX
BReP-SNAP-M-68Evaluation of Synthetic Single Energy and Dual Energy Radiographs to Predict Markerless Tumor Tracking Accuracy
J Roeske1*, H Mostafavi2, R Patel1, F Cassetta1, L Zhu2, (1) Loyola Univ Medical Center, Maywood, IL, (2) Varian Medical Systems,Palo Alto, CA
BReP-SNAP-M-92Interfraction Dose Variation of Supine Whole-Breast Radiotherapy Measured From Daily Cone Beam Computed Tomography Images
A Van Slyke*, S Yoon, N Taunk, G Freedman, B Teo, J Zou, C Kennedy, L Dong, T Li, University of Pennsylvania, Philadelphia, PA
BReP-SNAP-M-96Intra-Fraction Motion and Dosimetric Effects of Liver Stereotactic Body Radiation Therapy During Free-Breathing, Exhale and Inhale Active Breath-Hold
T F Nano1*, M Feng1, D PI Capaldi2, M Sharma1, E Hirata1, S Lim1, M Anwar1, M Hira1, (1) University of California, San Franisco, San Francisco, CA, (2) Stanford University, Stanford, CA
BReP-SNAP-M-99Markerless Lung Tumor Tracking Using AI-DE Imaging
L Zhu1*, F Arrate2, P Baturin3, P Paysan4, H Mostafavi5, J van Heteren6, F Cassetta7, J Roeske8, S Scheib9, (1) Varian Medical Systems, Palo Alto, CA, (2) Varian Medical Systems, Palo Alto, CA, (3) Varian Medical Systems, Santa Clara, CA, (4) Varian Medical Systems Imaging Laboratory, Daettwil Ag, ,CH, (5) ,Palo Alto, CA, (6) Varian, Palo Alto, CA, (7) Loyola University Chicago, Westmont, IL, (8) Loyola Univ Medical Center, Naperville, IL, (9) Varian Medical Systems, Baden - DAttwil, ,CH
BReP-SNAP-M-108Off-Line Treatment Monitoring of Head and Neck Radiotherapy Using Daily Cone-Beam Computed Tomography: A Preliminary Study
S Lee1*, B Zhang1, G Lasio1, A Gopal1, I Lee2, H Xu1, S Chen1, B Yi1, (1) University of Maryland School of Medicine, Baltimore, MD, (2) University of Maryland, College Park, MD
BReP-SNAP-M-111Patient-Specific Deep Learning Model for Deformable Image Registration
s amini*, Z Jiang, Y Chang, Y Mowery, L Ren, Duke University Medical Center, Cary, NC
BReP-SNAP-M-124Real Time Monitoring of Anatomy During IMRT and VMAT Breast Radiotherapy Using EPID Imaging
B Zwan1*, C Stanton1, H Byrne2, A Briggs, J Booth1, P Keall2, (1) Northern Sydney Cancer Centre, Royal North Shore Hospital, Sydney, NSW, AU, (2) The University of Sydney, Sydney, NSW, AU.
BReP-SNAP-M-130Reproducibility and Correction of the Respiratory Phase Shift for Enhanced Internal-External Motion Correlation
A Milewski*, D Olek, W Martin, A Rimner, G Li, Memorial Sloan Kettering Cancer Center, New York, NY
BReP-SNAP-M-139Surface Guided Imaging and Facial Motion with Open Face Masks
V Bry*, H Parenica, J Rembish, A Licon, M Naessig, K Fischer, T Martin, P Myers, N Kirby, S Stathakis, D Saenz, N Papanikolaou, R Crownover, K Rasmussen, Mays Cancer Center - MD Anderson Cancer Center, San Antonio, TX
BReP-SNAP-M-143Tumor Motion in Locally Advanced Lung Cancer: A Study of 46 Patients with 4DCT and 4DCBCT
L Su1*, N O'donnell2, K Ding1, R Hales1, (1) Johns Hopkins University, Baltimore, MD, (2) Johns Hopkins Hospital
BReP-SNAP-M-149Validating Radiance's Treatment Planning System for Image-Guided Intra-Operative Radiation Therapy Using Plastic Cones
A Steinmann1*, S Jain1, A Ayan1, N Gupta1, J Woollard1, (1) The Ohio State University Wexner Medical Center, Columbus, OH
MO-F-TRACK 2-1BEST IN PHYSICS (MULTI-DISCIPLINARY): A Deep Learning Cardiac Substructure Pipeline for MR-Guided Cardiac Applications
E Morris1,2*, A Ghanem3, M Dong4, S Zhu1, M Pantelic5, C Glide-Hurst1,2, (1) Department of Radiation Oncology, Henry Ford Cancer Institute, Detroit, MI (2) Department of Radiation Oncology, Wayne State University School of Medicine, Detroit, MI (3) Department of Clinical Oncology, Alexandria University, Alexandria, Egypt (4) Department of Computer Science, Wayne State University, Detroit, MI (5) Department of Radiology, Henry Ford Cancer Institute, Detroit, MI
PO-GeP-I-18A Robust Real-Time Acceleration and Reconstruction Scheme for Rapid MRI Using Principal Component Analysis
M Wright*, B Dietz, E Yip, J Yun, B G Fallone, K Wachowicz, Medical Physics, University of Alberta, Cross Cancer Institute, Edmonton, AB, CA
PO-GeP-I-66Cross-Modality Esophagus Segmentation Using Physics-Based Data Augmentation
S Alam1*, T Li2, S Zhang3, D Lee4, P Zhang5, S Nadeem6, (1), (2), (4), (5), (6) Memorial Sloan Kettering Cancer Center, New York, NY, (3) Peking University Cancer Hospital & Institute, Beijing, China
PO-GeP-I-208The Effect of Reconstruction and Volume Preset Parameters On Low-Contrast Visibility for KV CBCT
H Lee1, M Goss2*, D Pavord3, S Palefsky4, J Sohn5, (1) Allegheny Health Network, Pittsburgh, PA, (2) Allegheny Health Network, Pittsburgh, PA, (3) Allegheny General Hospital, Pittsburgh, PA, (4) Elekta, Inc., Atlanta, GA, (5) Allegheny Health Network, Pittsburgh, PA
PO-GeP-I-218Tracking Breast Target Motion with 3D Surface Imaging During Deep-Inspiration Breath-Hold (DIBH): Use of An Evidence-Based Region of Interest (ROI)
Y Song*, B Mueller, P Tamas, M Zhang, L Hong, L Braunstein, Memorial Sloan Kettering Cancer Center, New York, NY
PO-GeP-M-12D to 3D Line Pattern Match (3DLM) Scheme in 6D for Marker Based Image Guided Radiation Therapy
H Kuo1*, D Lovelock2, A Damato3, M Zelefsky4, S Lin5, C Della-Biancia6, S Berry7, M Hunt8, (1) Memorial Sloan Kettering Cancer Ctr, Norwalk, CT, (2) Memorial Sloan-Kettering Cancer Ctr, New York, NY, (3) Memorial Sloan Kettering Cancer Ctr, New York, NY, (4) Memorial Sloan Kettering Cancer Ctr,New York City, ,(5) Norwalk Hospital, Norwalk, CT, (6) Memorial Sloan Kettering Cancer Ctr, New York, NY, (7) Memorial Sloan Kettering Cancer Ctr, New York, NY, (8) Mem Sloan-Kettering Cancer Ctr, New York, NY
PO-GeP-M-5A Comparison of Internal Target Volumes (ITVs) Between 4DCT Simulation Images and 4DCBCT Pre-Treatment Images Using a Respiratory Phantom at Two Different Simulated Respiratory Rates
S Parker*, C Whiddon, D Nelson, J Foster, Wake Forest Baptist Health High Point Medical Center, High Point, NC
PO-GeP-M-42Abdominal Synthetic CT Reconstruction Using Intensity Projection Prior for MRI-Only Adaptive Radiotherapy
S Olberg1,2*, J Chun1,3, B Choi1,3, I Park1,3, H Kim1, T Kim1, J Kim3, O Green1, J Park1,2,3, (1) Department of Radiation Oncology, Washington University in St. Louis, St. Louis, MO, (2) Department of Biomedical Engineering, Washington University in St. Louis, St. Louis, MO, (3) Department of Radiation Oncology, Yonsei University College of Medicine, Seoul, KR
PO-GeP-M-45Accurate Tracking of Position and Dose During VMAT Based On VMAT-CT
X Zhao1*, R Zhang2, (1) Louisiana State University, Baton Rouge, LA, (2) Mary Bird Perkins Cancer Center, Baton Rouge, LA
PO-GeP-M-46Adaptive Treatment Replanning with a Commercial Field-In-Field Optimization Platform
C K Matrosic*, K C Paradis, M M Matuszak, University of Michigan, Ann Arbor, MI
PO-GeP-M-52An AI-Based Tumor Auto-Contouring Algorithm for Non-Invasive Intra-Fractional Tumor-Tracked Radiotherapy (nifteRT) On Linac-MR
J Yun1*, E Yip2, Z Gabos3, N Usmani4, D Yee5, K Wachowicz6, B Fallone7, (1) (2) (6) (7) Department of Medical Physics, Cross Cancer Institute, Edmonton, AB, CA, (3) (4) (5) Department of Radiation Oncology, Cross Cancer Institute, Edmonton, AB, CA
PO-GeP-M-56An IGRT Safety Check: Automated T12 Vertebra Detection in CT and CBCT
Y Xie1*, G Sharp2, D Gierga3, T Hong4, T Bortfeld5, K Kang6, (1) Massachusetts General Hospital, Boston, MA, (2) Massachusetts General Hospital, Boston, MA, (3) Massachusetts General Hospital, Boston, MA, (4) Massachusetts General Hospital, Boston, MA, (5) Massachusetts General Hospital, Boston, MA, (6) Bio-tree System, Inc.,
PO-GeP-M-59Analysis of Couch Shifts for Each Field for Proton Treatment Delivery of Head and Neck Cancer Patients: Towards Optimal Imaging Frequency
N Biswal*, D Rodrigues, W Yao, S Chen, University of Maryland School of Medicine, Baltimore, MD
PO-GeP-M-68Assessing the Dosimetric Links Between Organ-At-Risk Delineation Variability and Treatment Planning Variability
W Choi1,2, V Leandro Alves2*, E Aliotta2, H Nourzadeh2, J Siebers2, (1) Virginia State University, Petersburg, VA, (2) University of Virginia, Charlottesville, VA
PO-GeP-M-71Assessment of Intrafraction Motion Based On Intraprostatic Fiducials During VMAT Delivery
R Tolakanahalli1*, S D Davis1, (1) Miami Cancer Institute, Miami, FL
PO-GeP-M-108Comparing the Stability of Deep Inspiration Breath-Holds Between ABC and VisionRT During Breast Irradiation
Z Iqbal1, R McBeth1, M Joo1*, D Parsons1, A Rahimi1, N Kim1, A Sawant2, X Gu1, B Zhao1, (1) University of Texas Southwestern Medical Center, Dallas, TX, (2) University of Maryland School of Medicine, Baltimore, MD
PO-GeP-M-111Comparison of Cartesian 4 Fps Vs Radial 8 Fps On 0.35T MRI-Linac
H Gach1*, T Kim1, B Lewis1, A Price1, A Marko2, D Yang1, S Mutic1, O Green1, (1) Washington University in St. Louis, St. Louis, MO, (2) Barnes Jewish Hospital, Saint Louis, MO
PO-GeP-M-136Deep Learning Prediction of Radiotherapy Treatment Machine Parameters
L Hibbard1*, (1) Elekta, Inc, St. Charles, MO
PO-GeP-M-152Development of a Dose Accumulation Pipeline to Support MR-Guided Adaptive Radiation Therapy
D Rusu1,2*, E Morris2,3, C Glide-Hurst2,3, (1) Department of Physics, University of Windsor, Windsor, ON, CA (2) Department of Radiation Oncology, Henry Ford Cancer Institute, Detroit, MI (3) Department of Radiation Oncology, Wayne State University School of Medicine, Detroit, MI
PO-GeP-M-153Development of a No Action Level (NAL) Protocol for Physician Time Management During MRI Guided Online Standard Fractionation Adaptive Radiation Therapy for Head and Neck Cancer
S Vedam1*, B McDonald2, J Yang3, P Castillo4, A Sobremonte5, B Lee6, N Hughes7, M Mohammadsaid8, J Wang9, C Fuller10, (1) UT MD Anderson Cancer Center, Houston, TX, (2) ,Houston, TX, (3) MD Anderson Cancer Center, Houston, TX, (4) MD Anderson Cancer Center, Houston, TX, (5) M D Anderson Cancer Center, ,,(6) UT MD Anderson, Houston, TX, (7) MD Anderson Cancer Center, Houston, TX, (8) M D Anderson Cancer Center, ,,(9) MD Anderson Cancer Center, Houston, TX, (10) MD Anderson Cancer Center, Houston, TX
PO-GeP-M-163Domain Classification and Analysis of National Institutes of Health Funded Medical Physics Research
M Scarpelli1*, B Whelan2, K Farahani3, (1) Barrow Neurological Institute, Phoenix, AZ, (2) Siemens Healthineers, Forcheim, BY, DE, (3) National Cancer Institute, Bethesda, MD
PO-GeP-M-172Dosimetric Effects of a Novel Concept of Adaptive Radiotherapy for Prostate Cancer Patients
M Splinter1*, T Bostel2, P Haering1, C Lang1, N Nicolay3, (1) DKFZ, Heidelberg, DE, (2) Universitaetsmedizin Mainz, Mainz, DE, (5) Uniklinik Freiburg, Freiburg, DE
PO-GeP-M-186End-To-End Testing of Adaptive Radiotherapy in the Elekta MR-Linac Utilising 3d Printed Phantoms
A Axford1,2*, N Dikaios1, C H Clark2, D Roberts3, P Evans1,2, (1) The Centre for Vision Speech and Signal Processing (CVSSP), University of Surrey, Guildford, Surrey, UK (2) Metrology for Medical Physics(MEMPHYS), National Physical Laboratory, Teddington, UK(3) Elekta Ltd, Linac House, Crawley, UK
PO-GeP-M-196Evaluating the Performance of a Generative Adversarial Network-Based (GAN-Based) Architecture for Automatic Detection of Fiducial Markers in Prostate MRI-Only Radiotherapy Images
K Singhrao1*, J Fu1, D Ruan2, A Mikaeilian2, N Parikh2, A Kishan2, J Lewis3,(1) David Geffen School of Medicine at UCLA, Los Angeles, CA, (2) Dept. of Radiation Oncology, UCLA, Los Angeles, CA, (3) Cedars-Sinai Medical Center, Beverly Hills, CA
PO-GeP-M-201Evaluation of Liver Motion in Real Time Using Diaphragm Tracking Versus Tracking Implanted Gold Markers for Stereotactic Ablative Radiation Therapy (SAbR)
N Hassan Rezaeian1*, (1) The University of Texas Southwestern Medical Ctr, Dallas, TX
PO-GeP-M-206Evaluation of Real-Time Cine Imaging During MLC and Gantry Motion for MR-Guided Radiation Therapy
J Kielbasa*, S Meeks, P Kelly, T Willoughby, O Zeidan, A Shah, UF Health Cancer Center at Orlando Health, Orlando, FL
PO-GeP-M-238How Low Can You Go? A CBCT Dose Reduction Study
A Olch1*, P Alaei2, (1) University of Southern California, and Children's Hospital of Los Angeles, Los Angeles, CA, (2) University of Minnesota, Minneapolis, MN, AF
PO-GeP-M-243Impact of ICBCT Reconstruction On Cone Beam Acquisitions
G Stinnett*, G Nelson, R Price, H Zhao, A Paxton, V Sarkar, B Salter, University of Utah, Salt Lake City, UT
PO-GeP-M-245Impact of Imaging Frequency On the Accuracy of Patient Treatment Dose: An Evaluation Based On Halcyon MVCBCT
H Wang*, Q Hu, Y Huang, Y Zhang#, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Peking University Cancer Hospital & Institute, Beijing, BeijingCN,#corresponding author: Yibao Zhang; email: zhangyibao@pku.edu.cn
PO-GeP-M-256Increased DQE Through Use of Light Field Cameras and Thick Scintillators in Megavoltage Imaging
B Preusser1*, E Pearson1, P La Riviere1, R Wiersma2, (1) University of Chicago, Chicago, IL (2) University of Pennsylvania, Philadelphia, PA
PO-GeP-M-270Investigating Stability and Reproducibility of Deep Inspiration Breath Hold for Liver Stereotactic Body Radiotherapy
D Parsons*, Z Iqbal, N N Sanford, R Reynolds, S Stojadinovic, T A Aguilera, T Chiu, W Lu, M R Folkert, X Gu, UT Southwestern Medical Center, Dallas, TX
PO-GeP-M-273Investigation of Partial-Arc CBCT Protocols for Imaging Extremities
P Watson*, E Poon, McGill University Health Centre, Montreal, QC, CA
PO-GeP-M-278KV-Energy Fan-Beam CT Imaging Performance of a Novel Biology-Guided Radiotherapy (BgRT) Machine
Z Sun1*, H Gao2, S Xu3, J Ye4, C Huntzinger5, S Shirvani6, S Mazin7, T Laurence8, (1) Reflexion Medical, Hayward, CA, (2) Tsinghua University, Haidian Dist, 11, CN, (3) Reflexion Medical, Hayward, CA, (4) Reflexion Medical, Hayward, CA, (5) RefleXion Medical, Hayward, CA, (6) Reflexion Medical, Hayward, CA, (7) Reflexion Medical, Hayward, CA, (8) Reflexion Medical, Hayward, CA
PO-GeP-M-281Learning Clinical Expertise Using Deep 3D Networks: An Automated Clinical Target Volume (CTV) Delineation for Non-Small Cell Lung Cancer (NSCLC) Patients
Y Xie1*, K Kang2, Y Wang3, F Keane4, M Khandekar5, H Willers6, T Bortfeld7, (1) Massachusetts General Hospital, Boston, MA, (2) Bio-tree System, Inc., ,,(3) Massachusetts General Hospital, Boston, MA, (4) Massachusetts General Hospital, ,,(5) Massachusetts General Hospital, ,,(6) Massachusetts General Hospital, Boston, MA, (7) Massachusetts General Hospital, Boston, MA
PO-GeP-M-289Machine Learning Models in Predicting Pathological Complete Response After Neo-Adjuvant Chemoradiation for Locally Advanced Rectal Cancer
Y Zhang1,2*, M diMayorca1,3, L Shi4, X Sun4, S Jabbour1, Y Zhang1, N Yue1, K Nie1, (1) Department of Radiation Oncology, Rutgers Cancer Institute of New Jersey, New Brunswick, NJ (2) Department of Radiology, University of California,Irvine, CA, (3) Columbia University, New York (4) Department of Radiation Oncology, Sir Run Run Shaw Hospital, Zhejiang Univ., Hangzhou, ,CN,
PO-GeP-M-311Offline Assessment and Adaptation of Prostate and Head-And-Neck Radiotherapy Using Velocity
M Hyun1*, A Smith2, P Patel1, W Nie1, S Wisnoskie1, (1) University of Nebraska Medical Center, Omaha, NE, (2) West Virginia University, Morgantown, WV
PO-GeP-M-312On the Feasibility of Daily Delivered Dose Evaluation Using RTapp for Adaptive Lung SBRT Treatments
N Zulkarnain*, D Mathew, C Cho, A Santhanam, D Elliott, S Seshan, Y Watanabe, University of Minnesota, Minneapolis, MN
PO-GeP-M-316Online Adaptive Planning Strategy for 1.5T MR-Linac
J Yang*, A Sobremonte, S Vedam, K Brock, A Ohrt, C Fuller, S Choi, A Jhingran, P Castillo, B Lee, J Wang, N Hughes, M Mohammadsaid, P Balter, MD Anderson Cancer Center, Houston, TX
PO-GeP-M-318Optimal Planning Target Volume Margin for Lung SBRT with Minimal Immobilization
C Wilcken1, T Chow2, M Wierzbicki2*, (1) McMaster University, Hamilton, ON, CA (2) Juravinski Cancer Center, Hamilton, ON, CA
PO-GeP-M-324Patient Dose From Kilovoltage Radiographic Images During Synchrony Treatments On the Radixact System
W Ferris*, W Culberson, Univ of Wisc Madison, Madison, WI
PO-GeP-M-341Prostate Motion When Patient Coughs and Its Dosimetric Impact
B Guo, R Tendulkar, P Xia*, Cleveland Clinic Foundation, Cleveland, OH
PO-GeP-M-348Quantification of Prostate Positioning Accuracy and Movement During SBRT with CBCT Imaging
K Jones*, Z Grelewicz, J Van Schelt, A Templeton, D Wang, J Turian, Rush University Medical Center, Chicago, IL
PO-GeP-M-350Quantify the Difference in Target Margin Sharpness Demonstrated On 4DCT and 4DCBCT Images
Y Tseng1*, M Zhang2, M Hunt2, Y Song2, (1) Columbia University, New York, NY, (2) Memorial Sloan Kettering Cancer Center, New York, NY
PO-GeP-M-362Real-Time Verification and Quantification of Breath-Hold Reproducibility During Treatment for Liver and Lung SBRT
A Antolak*, N Woody, K Stephans, P Xia, B Guo, Cleveland Clinic Foundation, Cleveland, OH
PO-GeP-M-378Setup and Intrafractional Motion Error in the Hypo-Fractionated Brain Radiosurgery and the Effectiveness of Bite Block
E Han*, S Krafft, T Briere, MD Anderson Cancer Ctr., Houston, TX
PO-GeP-M-399The Impact of 5D Accumulated Dose On Toxicity Predictions Compared to Planned Dose for Non-Small Cell Lung Cancer Treated with IMRT and PSPT
Y He*, U Titt, Z Liao, J Pollard-Larkin, P Balter, R Mohan, K Brock, UT MD Anderson Cancer Center, Houston, TX
PO-GeP-M-424Validation of An Optical Surface Monitoring System to Detect Submillimeter Surface Displacements at Non-Zero Couch Angles
D Pinkham1*, S Kamath1, A Yu2, S Hancock3, (1) Yale School of Medicine, New Haven, CT, (2) Stanford University Cancer Center, Stanford, CA, (3) Southeast Missouri Hospital, Cape Girardeau, MO
PO-GeP-M-429Virtual Acquisition: Efficient, Accurate and Low-Dose KV-Projection Based Positioning
H Yan1*, J Li1, Z Wang1, C Deng2, X Li2, C Ma3, J Li1, (1) Cyber Medical Research And Innovation Center, Our United Corporation,(2) Department Of Biomedical Engineering, Beijing Institute Of Technology,(3) Fox Chase Cancer Center, Philadelphia, PA,
PO-GeP-M-431Voxel Forecast Classifier to Predict Spatially Variant Binary Tumor Voxel Response On Longitudinal FDG-PET/CT Imaging of FLARE-RT Protocol Patients
S Bowen1*, D Hippe1, W Chaovalitwongse2, P Thammasorn2, X Liu2, R Iranzad2, R Miyaoka1, H Vesselle1, P Kinahan1, R Rengan1, J Zeng1, (1) University of Washington, School of Medicine, Seattle, WA, (2) University of Arkansas, Fayetteville, AR
PO-GeP-M-434What Is the Dosimetric Benefit of Weekly and Daily Adaptive Replanning for Prostate Cancer Patients?
M Splinter1*, T Bostel2, P haering1, C Lang1, N Nicolay3, (1) DKFZ, Heidelberg, DE, (2) Universitaetsmedizin Mainz, Mainz, DE, (3) Uniklinik Freiburg, Freiburg, DE
PO-GeP-P-74Dosimetry Impact of Cine Magnetic Resonance Image Gating in Breath Hold Pancreatic Cancer Radiotherapy
P Hu1, F Yang2, Y Yang1*, (1) University of Science and Technology of China, Hefei, China, (2) University of Miami Miller School of Medicine, Miami, USA
PO-GeP-T-15A Control-Theoretic Framework for Intra-Fraction Motion Management in MRI-Guided Radiotherapy
H Moazami Goudarzi1*, T Mazur2, S Mirzapour3, G Sharp4, E Salari5, (1) Wichita State University, Wichita, KS, (2) Washington University in St. Louis, St. Louis, MO, (3) Wichita State University, Wichita, KS, (4) Massachusetts General Hospital, Boston, MA, (5) Wichita State University, Wichita, KS
PO-GeP-T-32A Method for the Daily Quality Assurance of a Six-Degree-Of-Freedom Treatment Table
O Dona*, Y Wang, A Xu, C Wuu, Columbia University, New York, NY
PO-GeP-T-36A New Approach to AlignRT Data Preparing, Checking and Dispatching Using Offline Workstations for Surface-Guided Radiotherapy
K O'Grady*, G Li, Memorial Sloan Kettering Cancer Center, New York, NY
PO-GeP-T-87Adaptive Planning, Yes Or No: On Lung SBRT Tumors with Large Shifts During Daily Image Guidance
T Ma*, C Liu, S Ahmed, N Yu, P Qi, K Stephans, G Videtic, P Xia, The Cleveland Clinic Foundation, Cleveland, OH
PO-GeP-T-159Boosting the Abscopal Effect with a Boost Dose of Radiotherapy and Immunoadjuvants in the Treatment of Aggressive Metastatic Pancreatic Cancer: A Preclinical Study
V Ainsworth1,2*, S Yasmin-Karim1,3,7, K DeCosmo1,5, R Mueller1,4,7, J Wood1,6, W Ngwa1,2,3,7 (1) Dana Farber Cancer Institute, Boston, MA, (2) University of Massachusetts Lowell, Lowell, MA, (3)Harvard Medical School, Boston, MA, (4)Heidelberg University, 69117 Heidelberg, Germany,(5)Northeastern University, Boston, MA,(6)University of Veterinary Medicine and Pharmacy in Kosice, Kosice, Slovakia, (7) Brigham and Womens Hospital, Boston, MA
PO-GeP-T-162Brachytherapy Workflow for Locally Advanced Cervical Cancer: A Survey of Canadian Medical Physicists
G Menon*, L Baldwin, B Burke, A Heikal, Cross Cancer Institute, Edmonton, AB, CA
PO-GeP-T-167Case-Study of a Comparison Between MRI-Guided Adaptive Radiotherapy (MRI-ART) and Robustly-Optimized Intensity-Modulated Proton Therapy (RO-IMPT) in the Treatment of SBRT Liver Cancer
G Simpson1, K Padgett2, N Dogan2, L Portelance2, M Butkus2*, (1) University of Miami, Coral Gables, FL, (2) University of Miami School of Medicine, Miami, FL
PO-GeP-T-197Commissioning and Preliminary Clinical Experience with a New CT-Integrated Linear Accelerator
L Yu*, J Zhao, J Wang, Z Zhang, W Hu, Department of Radiation Oncology, Fudan University Shanghai Cancer Center, China and Department of Oncology, Shanghai Medical College, Fudan University, China.ShanghaiCN
PO-GeP-T-307Does Custom Made Immobilization Improve Patient Setup? Analysis of Vacuum Bag Vs Off the Shelf Immobilization for Pelvis and Thorax Treatments
S Hadley*, Y Sun, The University of Michigan, Ann Arbor, MI
PO-GeP-T-375Efficient Quality Assurance Method for Multi-Lesion Stereotactic Radiosurgery Treatment with a Single Isocenter
H Kang*, S Gros, R Patel, Loyola Univ Medical Center, Maywood, IL
PO-GeP-T-381Enhancement of Abscopal Effect in Orthotopic Breast Cancer Animal Model with and Without Use of Nanoparticles as Radiosensitizer
K DeCosmo1,2*, S Yasmin-Karim1,3,4, V Ainsworth1,5, Y Zegeye2, R Mueller1,4,6, W Ngwa1,3,4,5(1) Dana Farber Cancer Institute, Boston, MA, (2) Northeastern University, Boston, MA,(3)Harvard Medical School, Boston, MA, (4)Brigham and Womens Hospital, Boston, MA,(5)University of Massachusetts Lowell, Lowell, MA,(6)Heidelberg University, 69117 Heidelberg, Germany
PO-GeP-T-526Interfraction Dose Deviation and Catheter Position in Cervical Interstitial and Intracavitary Image Guided HDR Brachytherapy
Y Xu*, T Harris, D O'Farrell, L Lee, M King, I Buzurovic, Brigham & Women's Hospital, Harvard Medical School, Boston MA
PO-GeP-T-527Intracavitary Versus Combined Intracavitary/Interstitial Applicators During High Dose Rate (HDR) Image Guided Adaptive Brachytherapy (IGABT) for Cervical Cancer: A Dosimetric Comparison
D Soultan*, T Bodine, A Hoover, Kansas University Medical Center, Department of Radiation Oncology, Kansas City, KS
PO-GeP-T-746Study On the Improved Internal Feedback System of RapidPlan Model
C Ma*, Shandong Cancer Hospital and Institute,Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, ShandongCN,
PO-GeP-T-832Using Varian Eclipse as An Independent MU Check for MRI-Guided Radiation Therapy
J Yang*, P Zhang, N Tyagi, P Godoy Scripes, J Mechalakos, A Li, D Lovelock, S Lim, Memorial Sloan-Kettering Cancer Center, New York, NY
SU-E-TRACK 3-6Tracking Performance of 4D Ultrasound Systems with Real-Time Streaming Interfaces - A Robotic Phantom Study
S Ipsen*, S Boettger, H Schwegmann, F Ernst, University of Luebeck, Luebeck, Germany
TH-AB-TRACK 4-14CycleGAN-Based Cone-Beam CT Correction for Adaptive Proton Therapy of Pediatric Patients
J Uh*, C Wang, S Acharya, C Hua, St. Jude Childrens Research Hospital, Memphis, TN
TH-D-TRACK 1-5Characterization and Optimization of a Scatter Imaging Camera
K Jones1*, J Chu1, J Strologas2, A Templeton1, D Bernard1, J Turian1, (1) Rush University Medical Center, Chicago, IL, (2) University of Ioannina, Ioannina, GR
TH-D-TRACK 4-4Mechanistic Investigation of Clot Degradation Via the Action of Histotripsy and Thrombolytic
S Hendley*, J Paul, K Bader, University of Chicago, Chicago, IL
TH-D-TRACK 4-6A 3D Ultrasound System for Targeted Focal Liver Tumor Ablation Therapy
D Gillies1,2*, J Bax2, K Barker2, L Gardi2, D Tessier2, N Kakani3, A Fenster1,2, (1) Department of Medical Biophysics, Western University, London, ON, CA, (2) Robarts Research Institute, London, ON, CA, (3) Manchester Royal Infirmary, Manchester, UK
TU-C-TRACK 1-1BEST IN PHYSICS (IMAGING): A KV-MV CBCT Field of View Enlargement Technique Using a Multi-Layer MV Imager and Regularized Poly-Energetic Correction
M Jacobson1*, M Lehmann2, P Huber2, M Shi3, M Myronakis1, D Ferguson1, I Lozano1, T Harris1, P Baturin4, R Fueglistaller2, C Williams1, D Morf2, R Berbeco1 (1) Brigham and Women's Hospital, Dana-Farber Cancer Institute, and Harvard Medical School, Boston, MA (2) Varian Medical Systems, Baden-Dattwil, Switzerland (3) University of Massachusetts, Lowell, Lowell MA (4) Varian Medical Systems, Palo Alto, CA
TU-EF-TRACK 2-4Toward MR-Guided Proton Therapy: Synthesizing Relative Proton Stopping Power Images with Multiple Sequence MRI
C Wang*, J Uh, C Hua, S Acharya, St. Jude Childrens Research Hospital, Memphis, TN
TU-EF-TRACK 2-6Using Prediction Models to Analyze MR Guided Radiation Therapy Plans
A Thomas1, J Olick-Gibson2*, P Parikh3, D Yang2, (1) MD Anderson Cancer Center, Spring, TX, (2) Washington University in St. Louis, Saint Louis, MO, (3) Henry Ford Cancer Institute, Saint Louis, MO
TU-EF-TRACK 2-9Multi-Temporal Resolution Model-Based Volumetric Prediction of Breathing and Slow Drifting Motion in the Abdomen Using Radial MRI
L Liu1*, A Johansson2, Y Cao1, J Balter1, (1) University of Michigan, Ann Arbor, MI, (2) Uppsala University,Uppsala,SE
TU-EF-TRACK 2-12Clinical Optimization of Diffusion Weighted Imaging On An MR-Linac
H Nusrat1,2*, R Chan3, A Elzibak1, B Chugh1,2, A Lau3, A Sahgal2, B Keller1,2, (1) Department of Medical Physics, Odette Cancer Centre, Sunnybrook Health Sciences Centre, Toronto, ON, CA, (2) Department of Radiation Oncology, University of Toronto, Toronto, ON, CA, (3) Sunnybrook Research Institute, Toronto, ON, CA
WE-B-TRACK 2-1A Dual-Energy Method for Automatic Verification of Patient Positioning in External Beam Radiotherapy
M Jacobson1*, T Harris1, D Ferguson1, M Lehmann2, P Huber2, M Shi3, M Myronakis1, I Lozano1, P Baturin4, R Fueglistaller2, C Williams1, D Morf2, R Berbeco1 (1) Brigham and Women's Hospital, Dana-Farber Cancer Institute, and Harvard Medical School, Boston, MA (2) Varian Medical Systems, Baden-Dattwil, Switzerland (3) University of Massachusetts, Lowell, Lowell MA (4) Varian Medical Systems, Palo Alto, CA
WE-B-TRACK 2-4Cherenkov Imaging of TSE - An Evaluation of Dose Distribution Uniformity
T Zhu1*, T Miao2, X Chang1, Y Ong1, A Dimofte1, A Maity1, J Plastaras1, P Bruza2, L Dong 1, B Pogue2, (1) University Pennsylvania, Philadelphia, PA, (2) Dartmouth College, Hanover, NH
WE-B-TRACK 2-7Toward Intraoperative 3D Ultrasound Guidance and Verification During Gynecologic Brachytherapy Procedures
J R Rodgers1*, J Bax1, L Mendez2, V Velker2, D D'Souza2, K Surry2, W T Hrinivich3, I Gyackov1, A Fenster1, (1) Robarts Research Institute, Western University, (2) London Regional Cancer Program, London, ON, CA, (3) Johns Hopkins University School of Medicine, Baltimore, MD
WE-D-TRACK 3-5In-Situ Vaccination with Caflanone Delivered From Smart Radiotherapy Biomaterials in the Treatment of Pancreatic Cancer
M Moreau1234*, S Yasmin-Karim134, V Ainsworth12, N Toyang5, H Lowe5, W Ngwa1234, (1) Dana Farber Cancer Institute, Boston, MA, (2) University of Massachusetts Lowell, Lowell, MA, (3) Brigham and Womens Hospital, Boston, MA, (4) Harvard Medical School, Boston, MA, (5) Flavocure Biotech Inc., Baltimore, MD
WE-F-TRACK 2-3Using In-Situ KV Images to Update a CT-Based Volumetric Lung Motion Model
P Sabouri1*, M Ranjbar2, S Mossahebi1, A Sawant1, P Mohindra1, G Lasio1, L Topoleski2, (1) University of Maryland School of Medicine, Baltimore, MD, (2) University of Maryland, Baltimore County, Baltimore, MD
WE-F-TRACK 2-5Patient Dose Accuracy Improvements for Patients Treated in the TROG 15.01 Stereotactic Prostate Ablative Radiotherapy with Kilovoltage Intrafraction Monitoring (SPARK) Trial
EA Hewson1*, DT Nguyen1,2, R O'Brien1, P Poulsen3, J Booth4,5, P Greer6, T Eade4, A Kneebone4, G Hruby4, T Moodie7, A Hayden7, S Turner7, N Hardcastle8, S Siva8, K Tai8, M Sidhom9, S Arumugam9, J Martin6, P Keall1, (1) ACRF Image X Institute, University of Sydney Medical School, NSW, AU, (2) School of Biomedical Engineering, University of Technology Sydney, Ultimo, NSW, AU, (3) Department of Oncology, Aarhus University Hospital, Aarhus, DK, (4) Northern Sydney Cancer Centre, Royal North Shore Hospital, NSW, AU, (5) School of Physics, University of Sydney, NSW, AU, (6) Calvary Mater Newcastle, Waratah, NSW, AU, (7) Crown Princess Mary Cancer Centre, Westmead, NSW, AU, (8) Peter MacCallum Cancer Centre, VIC, AU, (9) Liverpool Hospital, Liverpool and Macarthur Cancer Therapy Centres, NSW, AU
WE-F-TRACK 2-6First in Human Use of Real-Time Target Tracking for Liver Cancer SABR On a Standard Linear Accelerator
D Nguyen1,2*, T Moodie3, Y Lee4, A Kejda3, T Blacketer3, R O'Brien2, P Poulsen5, P Greer6, T Wang3, P Keall2, (1) School of Biomedical Engineering, University of Technology Sydney, Australia (2) ACRF Image-X Institute, The University of Sydney, Australia (3) Crown Princess Mary Cancer Center, Westmead, NSW, Australia (4) Princess Alexandira Hospital, Brisbane, Australia (5) Aarhus University Hospital, Aarhus, Denmark (6) Calvary Mater Newcastle Hospital, Newcastle, NSW, Australia
WE-F-TRACK 2-7Markerless Lung Tumor Tracking Using a Dual Layer Flat Panel Detector On a Benchtop System
L Shi1*, N Bennett1, H Bedi1, B Hartley1, J Star-Lack2, M Lu2, A Wang1, (1) Stanford University, Stanford, CA, (2) Varex Imaging Corp, San Jose, CA