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Keywords: Dosimetry
BReP-SNAP-I-37Parametric Model Adjustment of Prescribed Mean Radiation Dose to Ensure Complete Coverage at Tumor Margins During Ablative 90Y Radioembolization
S Kappadath1*, B Lopez1, A Braat2, R DiTusa1, A Mahvash1, B Toskich3, (1) University of Texas MD Anderson Cancer Center, Houston, TX, USA (2) University Medical Center, Utrecht, NL (3) Mayo Clinic, Jacksonville, FL, USA
BReP-SNAP-M-9A Method to Predict the Patient-Specific Dose-Volume Histogram Curves for Radiotherapy Planning with Deep Learning
X Chen*, K Men, J Yi, J Dai, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences, Beijing, 100021,China
BReP-SNAP-M-47CycleGAN Based Transfer Learning for Synthesizing CT Image From MR Image
W Li123*, T Bai1, D Nguyen1, A Owrangi1, S Kazemifar1, Y Li23, J Xiong2, Y Xie2, S Jiang1, (1) UT Southwestern Medical Center, Dallas, Texas, (2) Shenzhen Institutes Of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China, (3) Shenzhen College of Advanced Technology, University of Chinese Academy of Sciences, Shenzhen, China
BReP-SNAP-M-50Deep Learning Techniques in Microdosimetry: Using Conditional Generative Adversarial Networks to Predict Energy Deposition On Cellular Length Scales
I Mansour*, R Thomson, Carleton Univ, Ottawa, ON
BReP-SNAP-M-81High-Precision Dosimetry in Yttrium-90 Radioembolization Through Post-Procedural CT Imaging of Radiopaque Microspheres in a Porcine Model
C Henry1*, M Strugari1,2, G Mawko1,3,4,6, K Brewer1,2,5,R Abraham4,7, A Syme1,3,6, (1) Department of Physics, Dalhousie University, Halifax, NS, CA, (2) Biomedical Translational Imaging Centre (BIOTIC), Halifax, NS, CA, (3) Department of Medical Physics, Nova Scotia Health Authority, Halifax, NS, CA, (4) Department of Diagnostic Imaging and Interventional Radiology, Dalhousie University, Halifax, NS, CA, (5) Department of Biomedical Engineering, Dalhousie University, Halifax, NS, CA, (6) Department of Radiation Oncology, Dalhousie University, Halifax, NS, CA, (7) ABK Biomedical Inc., Halifax, NS, CA
BReP-SNAP-M-87Imaging Dose in Breast Radiotherapy by X-Ray CT Calibration of Cherenkov Light
R Hachadorian1*, P Bruza1, M Jermyn1,2, D Gladstone1,3, L Jarvis3, B Pogue1,2,3, (1) Dartmouth College, Hanover, NH, (2) DoseOptics LLC, Lebanon, NH, AF, (3) Dartmouth-Hitchcock Med. Ctr., Lebanon, NH
BReP-SNAP-M-88Improving the Accuracy of Bone Marrow Dosimetry Using the MIRD Phantom
K Ferrone1,2*, C Willis1, J Ma1, L Peterson3, F Guan1, S Kry1, (1) MD Anderson Cancer Center, Houston, TX, (2) The Aerospace Corporation, Houston, TX (3) Houston Methodist Research Institute, Houston, TX
BReP-SNAP-M-142Towards Best Practice Guidelines for Reference Dosimetry in a 1.5 T MR-Linac
V Iakovenko1*, B Keller1, H Nusrat1, A Sahgal2, A Sarfehnia1, (1) Sunnybrook Health Sciences Centre, Odette Cancer Centre, Department of Medical Physics; University of Toronto, Department of Radiation Oncology, Toronto, ON, CA, (2) Sunnybrook Health Sciences Centre, Odette Cancer Centre, Department of Radiation Oncology, ON, CA
BReP-SNAP-T-18A Three-Dimensional Electronic Detector Array for Dose Verification in Radiotherapy: Proof of Product
D Roa1, R Challco2*, Z Arqque3, O Paucar4, C GUZMAN CALCINA5, A Gonzales6, A Gonzales Galvez7, M Montoya8, J Hernandez-Bello9, (1) University Of California, Irvine, Orange, CA, (2) Universidad Nacional de Ingenieria, Lima, ,PE, (3) Universidad San Antonio Abad, Cuzco, ,PE, (4) Universidad Nacional de Ingenieria, Lima, ,PE, (5) Universidad Nacional Federico Villarreal, Lima, ,PE, (6) Universidad Nacional de Ingenieria, Lima, ,PE, (7) Aliada Contra El Cancer, Lima, ,PE, (8) Universidad Nacional de Ingenieria, Lima, ,PE, (9) HRS Oncology International, Las Vegas, NV
BReP-SNAP-T-32Characteristics of a Compact Tabletop Alanine EPR System for Clinical Dosimetry
B Smith*, W Culberson, University of Wisconsin Madison, School of Medicine and Public Health, Department of Medical Physics, Madison, WI
BReP-SNAP-T-47Dosimetric Characterization of the HYPERSCINT Scintillation Dosimetry Research Platform for Multipoint Applications
E Jean1*, F Therriault-Proulx2, L Beaulieu3, (1) CHU de Quebec - Universite Laval, Quebec, QC, CA, (2) Medscint, Inc., Quebec, QC, CA, (3) Centre Hospitalier Univ de Quebec, Quebec, QC, CA
BReP-SNAP-T-48Dosimetric Evaluation of Static and Rotating Gamma Ray Systems for Intracranial SRS/SRT
Q Jiang 1*, A Eldib2, L Chen3, D wu4, B Wang5, S Li6, C Miyamoto7, J Li8, B Nguyen9, C Ma10, (1) The First Affiliated Hospital of Chongqing Medical University, Chongqing, China, (2) Fox Chase Cancer Center, Philadelphia, PA (3) Fox Chase Cancer Center, Philadelphia, PA (4) The People`s Hospital of Guangxi Zhuang Autonomous Region ,Guangxi, China (5) Temple University Hospital, Philadelphia, PA, (6) Temple University Hospital, Philadelphia, PA (7) Temple University, Philadelphia,(8) ,Huntingdon Valley, PA, (9) Prowess Inc., Concord, CA, (10) Fox Chase Cancer Center, Philadelphia, PA
BReP-SNAP-T-51Dosimetry for Advanced Radiotherapy Approaches Using Particle Beams with Ultra-High Pulse Dose Rates in the EMPIR UHDpulse Project
A Subiel1*, M McManus2, F Romano3, H Palmans4, A Lourenco5, N Lee6, R Thomas7, F Wilfrid8, G Antonio9, A Mascia10, S Joseph11, E Lee12, A Schueller13, (1) National Physical Laboratory, Teddington, GB, (2) National Physical Laboratory, Teddington, GB, (3) National Physical Laboratory, Teddington, GB,(4) National Physical Laboratory, Teddington, GB,(5) National Physical Laboratory, Teddington, GB, (6) National Physical Laboratory, Teddington,GB, (7) National Physical Laboratory, Teddington,GB, (8) CERN, (9) CERN,(10) University of Cincinnati Medical Center, Cincinnati, OH, (11) University of Cincinnati Medical Center, Cincinnati, OH, (12) University of Cincinnati Medical Center, Cincinnati, OH (13) PTB, Braunschweig, GER
BReP-SNAP-T-66Feasibility of Proton Beam Delivery at Ultra-High Dose Rate FLASH Using a Gantry-Mounted Clinical Synchrocyclotron
A Darafsheh1*, Y Hao1, T Zwart2, M Wagner2, C Catanzano2, J Williamson1, N Knutson1, B Sun1, S Mutic1, T Zhao1, (1) Washington University School of Medicine, St. Louis, MO, (2) Mevion Medical Systems, Littleton, MA
BReP-SNAP-T-69FLASH Pencil Beam Scanning Proton Therapy in Clinical Gantry: Reference Dosimetry Inter-Comparison Including Ion Chambers and a Calorimeter
E Lee1*, A Lourenco2, J Speth1, N Lee2, R Thomas2, Y Zhang1, Z Xiao1, A Mascia1, (1) Univ of Cincinanti Med Ctr. Proton Therapy Ctr, Liberty Township, OH,(2) National Physical Laboratory, Teddington, UK
BReP-SNAP-T-77Imaging Proton Pencil Beam Scans & Depth Dose Profiles with An Optimized Scintillation Screen & High Frame Rate Camera
M Rahman1*, P Bruza2, B Pogue3, D Gladstone4, K Langen5, Y Lin6, R Zhang7, (1) Dartmouth College, Hanover, NH, (2) Dartmouth College, Hanover, NH, (3) Dartmouth College, Hanover, NH, (4) Dartmouth-Hitchcock Med. Ctr., Lebanon, NH, (5) Emory University, Atlanta, GA, (6) Emory University, Atlanta, GA, (7) Dartmouth College, Hanover, NH, AF
BReP-SNAP-T-85Improving Uncertainty in GammaPod Dose Through the Use of ND,w and IAEA TRS 483
B Yi*, S Becker, Univ. of Maryland School Of Medicine, Baltimore, MD
BReP-SNAP-T-87Influence of the Magnetic Field On the Cherenkov Light Collected by Optical Fiber Dosimeters
B Maraghechi1*, Y Hao1, R Zhang2, H Li1, S Mutic1, A Darafsheh1, (1) Washington University School of Medicine, St. Louis, MO, (2) Dartmouth College, Lebanon, NH
BReP-SNAP-T-99Margin Verification for Hypofractionated Prostate Radiotherapy Using a Novel Dose Accumulation Workflow and Iterative CBCT
M Studenski*, R Delgadillo, Y Xu, J Both, K Padgett, M Abramowitz, A Dal Pra, A Pollack, N Dogan, Sylvester Comprehensive Cancer Center, University of Miami Miller School of Medicine, Miami, FL
BReP-SNAP-T-107Multivariable Dosimetric Models for Urinary and Rectal Toxicity Prediction Assessed From Patient Reported Outcome After Prostate Stereotactic Body Radiotherapy
X Pan1*, J Huang2, R Levin-epstein3, Z Wang4, D Low5, X Qi6, (1) Shaanxi Key Laboratory of Network Data Analysis and Intelligent Processing,, Xi'an, ,CN, (2) ,Xi'an, 61, CN, (3) ,,,(4) ,,,(5) UCLA, Los Angeles, CA, (6) UCLA School of Medicine, Los Angeles, CA
BReP-SNAP-T-109Patient-Specific Partial Volume Corrections Using a 3D Printed Anthropomorphic Head and Neck Phantom
D Adam*, I Marsh, T Bradshaw, P Hill, B Cox, J Grudzinski, P Harari, B Bednarz, University of Wisconsin, Madison, WI
BReP-SNAP-T-112Plastic Scintillation Detector Calibration Procedure for Brachytherapy in Vivo Dosimetry
A Herreros1, J Perez-Calatayud2*, F Ballester3, (1) Hospital Clinic Barcelona, Barcelona, ,ES, (2) Hospital La Fe, Valencia, ,ES, (3) University of Valencia, Burjassot, ,ES
BReP-SNAP-T-119Real Time Plan Verification of Radiotherapy Treatment Plans Using Couch and Gantry Mounted Cameras
M Ashraf1*, P Bruza1, B Pogue1, D Gladstone1,2, B Williams1,2, (1) Dartmouth College, Hanover, NH, (2) Dartmouth Hitchcock Medical Center, Lebanon, NH
BReP-SNAP-T-127Surface Area Matters: The SRS/SRT Intermediate Dose Spill Depends On PTV Surface Area (not PTV Volume)
D Desai1, I Cordrey2*, E Johnson3, S Srinivasan4, H Elasmar5, (1) Memorial Hospital, Hixson, TN, (2) Hillsdale Wildflower Refuge, Cookeville, TN, (3) Univ Kentucky Medical Ctr, Lexington, KY, (4) Memorial Health Care System, Hixson, TN, (5) Memorial Health Care System, Chattanooga, TN
BReP-SNAP-T-135Update of the CLRP TG-43 Parameter Database for Brachytherapy Sources
H Safigholi1*, M J P Chamberland1,2, R E P Taylor1,3, C H Allen1, M P Martinov1, D W O Rogers1, R W Thomson1, (1) Carleton Laboratory for Radiotherapy Physics, Department of Physics, Carleton University, Ottawa, ON, CA (2) The University of Vermont Medical Center, Burlington, VT, USA (3) Multi Leaf Consulting, Port Elgin, ON, CA
BReP-SNAP-T-147Determination of the Recombination Correction Factor for a Parallel-Plate Chamber Irradiated by Synchrotron-Based FLASH Proton Beams
M Yang1*, X Wang1, M Chen2, U Titt1, S Tootake3, T Katayose3, Y Li1, X Zhang1, F Poenisch1, M Umezawa3, S Frank1, A Koong1, X Zhu1, (1) UT MD Anderson Cancer Center, Houston, TX, (2) Ruijin Hospital, Huangpu, Shanghai, CN, (3) Hitachi, Tokyo, Japan.
MO-CD-TRACK 1-8Development of a Quasi-Adiabatic Miniature Graphite Calorimeter for Absolute Clinical Dosimetry of High-Energy Photon Beams
F Keszti*1, B Cote1, J Bancheri1, A Sarfehnia2, J Seuntjens1, J Renaud1,3, (1) McGill University, Montreal, QC, CA, (2) Sunnybrook Health Sciences Centre, Toronto, ON, CA, (3) National Research Council Canada, Ottawa, ON, CA
MO-E-TRACK 2-1BEST IN PHYSICS (MULTI-DISCIPLINARY): First-In-Human Use of Prompt Gamma-Ray Spectroscopy for Proton Range Verification
J Verburg*, F Hueso-Gonzalez, S Tattenberg, P Wohlfahrt, T Ruggieri, T Bortfeld, Massachusetts General Hospital and Harvard Medical School, Boston, MA
MO-EF-TRACK 3-3Investigation of a Simple Calorimeter Design for the Dosimetry of Ultra-High Pulse Dose Rate (FLASH) Electron Beams
M McEwen1, A Bourgouin2*, A Schueller3, (1) National Research Council, Ottawa, ON, CA, (2) Carleton University, Ottawa, (3) Physikalisch-Technische Bundesanstalt, Braunschweig
MO-EF-TRACK 3-5An Ionizing Radiation Acoustic Imaging (iRAI) Technique for Real-Time Deep Tissue Dosimetric Measurements for FLASH Radiotherapy
I Oraiqat*, W Zhang, D Litzenberg, K Lam, N Ba Sunbul, J Moran, K Cuneo, P Carson, X Wang, I El Naqa, The University of Michigan, Ann Arbor, MI
MO-EF-TRACK 3-7Implementation and Dosimetry of EFLASH Radiotherapy
C Mendez1*, T Karan1, M Petric1, A Bergman1, D Ta1, J Sweeney1, A Kyle2, J Baker2, C Duzenli1, A Minchinton2, (1) BC Cancer, Vancouver, BC (2) Bc Cancer Research Centre, Vancouver, BC
MO-EF-TRACK 3-9A First Step Toward Dose Calibration in FLASH Electron Beams
J Polf1*, F Bateman2, S Mossahebi1, P Sabouri1, M MacFarlane1, R Tosh2, (1) University of Maryland School of Medicine, Baltimore, MD, (2) NIST, Gaithersburg, MD
MO-EF-TRACK 3-15Deep DoseNet: A Deep Neural Network Based Dose Calculation Algorithm
P Dong1*, L Xing1, (1) Stanford Univ School of Medicine, Stanford, CA
MO-F-TRACK 1-4Fully Balanced SSFP for MRI-Assisted Radiosurgery (MARS) Without An Endorectal Coil: A Prospective Patient Imaging Study
J Sanders1*, S Frank1, A Venkatesan1, C Levitt2, T Bathala1, R Kudchadker1, C Tang1, T Bruno1, C Starks1, E Santiago1, M Wells2, C Weaver2, J Ma1, (1) UT MD Anderson Cancer Center, Houston, TX, (2) Piedmont Atlanta Hospital, Atlanta, GA
PO-GeP-I-13D Dose Reconstruction Using An In-House Radioluminescence Imaging System
M jia*, L Wang, Y Yang, L Xing, X Li, Stanford University, Stanford, CA
PO-GeP-I-3A Body Mass Index-Based Method for Size-Specific Dose Estimates (SSDE) in Adults
D Yan1,2*, B Chen2, W Lu1, J Qiu1, L Shi1, (1) Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, CN (2) Hwamei Hospital, university Of Chinese Academy Of Sciences, Ningbo, CN
PO-GeP-I-52Clinical Diagnostic Reference Levels in Diagnostic Radiology: Preliminary Results in Qatar
H Al Naemi1*, M Kharita2, A Omar3, A AL OBADLI4, M Al Kuwari5, A Mohamed6, S ALKHAZZAM7, A Aly8, V Tsapaki9, (1) Hamad Medical Corporation, Al Dawha, DA, QA, (2) Hamad Medical Corporation, ,,(3) Hamad Medical Corporation, ,,(4) Hamad Medical Corporation, ,,(5) Hamad Medical Corporation, ,,(6) Hamad Medical Corporation, ,,(7) Hamad Medical Corporation, Doha, DA, QA, (8) Hamad Medical Corporation, ,,(9) Konstantopoulio General Hospital, Anixi, Attiki, ,GR
PO-GeP-I-60Comparison of Lens Dose Received During 2.5 MV and 6 MV Imaging
T Tran*, B Subramanian, GenesisCare, Melbourne, VIC, AU
PO-GeP-I-70DAP Measurements in Dental/Maxillofacial Cone Beam CT
E Gingold1*, A Stratis2, D Mihailidis3, (1) Thomas Jefferson University, Philadelphia, PA, (2) KU Leuven/UZ Leuven, Leuven, BE, (3) University of Pennsylvania, Philadelphia, PA
PO-GeP-I-74Dental and Maxillofacial Cone Beam Computed Tomography Dose Index in Full-Fan and Full-Scan Mode
S Jia*, L Zhang, Y Xing, H Gao, Tsinghua University, Haidian Dist, 11CN,
PO-GeP-I-88Directly Measuring Peak Skin Dose During Fluoroscopically-Guided Neuroradiology Interventional Surgeries
N Quails*, D Laurent, B Corliss, B Hoh, A Polifka, W Fox, L Rill, M Arreola, University of Florida, Gainesville, FL
PO-GeP-I-91Does the Radiation Output From Mobile C-Arms of the Same Vendor Utilizing Different Image-Receptor Technology Differ?
J Dave1*, (1) Thomas Jefferson University, Philadelphia, PA
PO-GeP-I-93Dose Comparison of Elekta Infinity 4D Symmetry Scan Versus Cone Beam CT
I Koistinen1*, M Koistinen2, (1) University of Maine, Orono, ME, (2) CHEM Center for Rad Oncology, Millis, MA
PO-GeP-I-119Evaluation of Synthetic CT Generation From CBCT Using a Deep Learning Model
A Haidari1,2*, D Granville2, E Ali1,2, (1) Carleton University, Ottawa, ON, CA, (2) The Ottawa Hospital Cancer Centre, Ottawa, ON, CA
PO-GeP-I-135Impact of a 3D Convolution Neural Network Method On Liver Segmentation: An Accuracy and Time-Savings Evaluation
NM Cole1*, H Wan1, J Niedbala2, YK Dewaraja3, A Kruzer1, D Pittock1, C Halley1, AS Nelson1, (1) MIM Software Inc., Cleveland, OH, (2) Michigan Medicine, Ann Arbor, MI, (3) University of Michigan, Ann Arbor, MI
PO-GeP-I-158Occupational Radiation Exposure in the Radiological Departments: Assessing the Importance of Radiation Protection of Medical Radiation Workers
F Nuru*, E Osei, Grand River Regional Cancer Center, Kitchener, ON, CA
PO-GeP-I-165Pediatric CT Radiation Exposure: Where We Were, and Where We Are Now
A Mustafa*, T Goodman, E Rowe, Yale University School of Medicine/YNHH Radiology, New Haven, CT
PO-GeP-I-181Quantitative Imaging of 177Lu in the Presence of 90Y for Peptide Receptor Radionuclide Therapy: A Simulation Study
C Miller1*, A Rahmim12, C Uribe-munoz34, A Celler4, (1) Department of Physics and Astronomy, University of British Columbia, Vancouver, BC, CA (2) Department of Integrative Oncology, BC Cancer Research Centre, Vancouver, BC, CA (3) PET Functional Imaging, BC Cancer Research Centre, Vancouver BC, CA (4) Department of Radiology, University of British Columbia, Vancouver, BC, CA
PO-GeP-I-188Research Progress On Radiation Dose Optimization in CT Examination of Children in China
D Xing1, W Lu1, L Jing2*, W Lu1, (1) Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, Shandong Province, CN, (2) Taian Tumor Hospital, Taian, Shandong Province, CN
PO-GeP-I-189Response of a Radiophotoluminescent Glass Dosimeter for Diagnostic Kilovoltage X-Ray Beams
C Nakatake1*, F Araki2, T Ohno3, (1) Kumamoto University, Kumamoto, JP, (2) Kumamoto University, Kumamoto, JP, (3) Kumamoto University, Kumamota, JP
PO-GeP-M-490Y-Microspheres Radioembolization for Selective Internal Radiation Therapy in NGHA, Saudi Arabia , Statistics and Dosimetry
N SENHOU*, S Alshehri, National Guard Health Affairs, Riyadh, 01SA,
PO-GeP-M-9A Deep Learning Method for Prediction of 3D Dose Distribution in Clinical Case
S Ahn1*, E Kim2, K Kim3, C Kim4, S Lee5, Y Lim6, H Kim7, D Shin8, J Jeong9, (1) National Cancer Center, Goyang-si Gyeonggi-do,KR
PO-GeP-M-10A Deep Learning-Based Interactive Software Tool to Assist Physicians Revising CTV Contours to Achieve Balanced Tumor Coverage and Organ Sparing
A Balagopal*, D Nguyen, m mashayekhi, M Lin, A Garant, N Desai, R Hannan, Y Weng, X Gu, S Jiang, UT Southwestern Medical Center, Dallas, TX
PO-GeP-M-14A Feasibility Study On the Development of a Deep Learning-Based Whole Brain Irradiation Automated Dose Calculation Algorithm
A Jaffe*, J Keller, Thomas Jefferson University, Philadelphia, PA
PO-GeP-M-69Assessment of Bone Electron Density Effects On Dose Calculation and Optimization Accuracy for MRI-Only Treatment Planning for Cervical Carcinoma in 1.5 T MR-Linac
S Ding1,2*, H Liu1,2, Y Li1,2, B Wang1,2, B Liu1,2, X Qi1,2, X Cao1,2, X HUANG1,2, (1) Sun Yat-sen University Cancer Center, Guangzhou,CN, (2) State Key Laboratory of Oncology in South China,Guangzhou,CN
PO-GeP-M-70Assessment of CBCT-Based Dose Accumulation for Robustly Optimized Intensity-Modulated Proton Therapy Plans with Different Uncertainty Scenarios for Treatment of Prostate Cancer
Y Xu*, M Butkus, N Brovold, A King, T Diwanji, A Pollack, M Abramowitz, N Dogan, Sylvester Comprehensive Cancer Center, University of Miami Miller School of Medicine, Miami, FL
PO-GeP-M-121Construction of Computational Non-Human Primates Model for Radiation Dosimetry
T Xie1*, (1) Fudan University, Shanghai, 31, CN
PO-GeP-M-122Continuous On-Beam Computor Tomographic Image Reconstruction at the Moment of Treatment by Amplitude/phase Scaling of Deformation Vector Fields
J Jung1*, I Yeo2, J Kim3, B Yi4, (1) East Carolina University, Greenville, NC, (2) University of Rochester, Rochester, NY, (3) Stony Brook University, Detroit, MI, (4) University of Maryland School Of Medicine, Baltimore, MD
PO-GeP-M-127CT Vs. Fluoroscopy Guidance for Nusinersen Intrathecal Injection: Quantitative Evaluation of the Learning Process Effect On Patients Radiation Exposure
R Al Helo*, L Zimmermann, A Azar, N Bass, D Jordan, N Azar, University Hospitals Cleveland Medical Center, Cleveland, OH
PO-GeP-M-168Dosimetric Analysis of Automated Treatment Planning for Whole Brain Radiotherapy with A Deep Learning Approach
E Han*, C Cardenas, C Nguyen, T Briere, j Li, D Yeboa, C Wang, L Court, M Martel, Z Wen, University of Texas MD Anderson Cancer Center, Houston, TX
PO-GeP-M-169Dosimetric Analysis of OARnet Auto-Delineations for Head and Neck Organs-At-Risk
M H Soomro*, H Nourzadeh, V Leandro Alves, W Choi, J Siebers, University of Virginia, Charlottesville, VA
PO-GeP-M-175Dosimetric Planning Comparison for Left-Sided Breast Cancer Radiotherapy: 4DCT Vs Deep-Inspiration Breath-Hold
O Chau*1,2, H Fakir1,2, M Lock1,2, R Dinniwell1,2, F Perera1,2, A Erickson1, S Gaede1,2,(1) London Regional Cancer Program, London, ON,CA,(2) Western University, London, ON, CA
PO-GeP-M-179Effect of Field Number and Beam Angle On ERE for Lung Cancers Radiotherapy Planning in 1.5 T MR-Linac
S Ding1,2*, H Liu1,2, B Wang1,2, Y Li1,2, Y XIA1,2, X HUANG1,2, (1) Sun Yat-sen University Cancer Center, Guangzhou, ,CN, (2) State Key Laboratory of Oncology in South China. Guangzhou,CN
PO-GeP-M-183Efficient Acquisition of MR-Linac Commissioning Data Using Cherenkov Projection Imaging
D Alexander1*, R Zhang2,3, P Bruza1, B Pogue1,2,3, D Gladstone1,2,3, (1) Thayer School of Engineering, Dartmouth College, Hanover, NH, (2) Geisel School of Medicine, Dartmouth College, Hanover, NH, (3) Norris Cotton Cancer Center, Dartmouth-Hitchcock Medical Center, Lebanon, NH
PO-GeP-M-187Establishing a Routine Clinical Dose Verification Workflow Utilizing CBCT Imaging and Log Files
G Kuzmin*, P Xia, P Qi, The Cleveland Clinic Foundation, Cleveland, OH
PO-GeP-M-212Evaluation of the Direct Density Algorithm for Energy-Independent Radiotherapy Planning
A Shutler1*, A Sarkar1, G Grousset2, J Shah2, F Mourtada1, (1) Christiana Care Health System, Newark, DE, (2) Siemens Healthineers USA, Malvern, PA
PO-GeP-M-240Impact of Changes in Body Shapes On Radiation Therapy Dose Distribution After Uterine Cervical Cancer Surgery
M Sasaki1*, H Ikushima2, K Kitagawa3, Y Kano4, M Tominaga5, H Honda6, W Sugimoto7, M Oita8, (1) Institute of Biomedical Sciences, Tokushima University Graduate School,Tokushima, JP, (2) Institute of Biomedical Sciences, Tokushima University Graduate School,Tokushima, JP, (3)Graduate School of Health Sciences, Tokushima University,Tokushima,JP(4)Graduate School of Health Sciences, Tokushima University,Tokushima,JP(5) Institute of Biomedical Sciences, Tokushima University Graduate School,Tokushima, JP, (6) Ehime University Hospital, Ehime, JP, (7) Tokushima Prefectural Central Hospital, Tokushima, JP, (8) Okayama University Graduate School of Interdisciplinary Science and Engineering in Health Systems, Okayama, 33, JP
PO-GeP-M-262Initial Investigation of Dose Calculation On Intra-Irradiation Cone-Beam CT Images
H Iramina*, M Nakamura, T Mizowaki, Kyoto University, Graduate School of Medicine, Kyoto, JP
PO-GeP-M-356Radiation Hardness of Cadmium Telluride Solar Cells in Proton Therapy Beam Mode
S Cho1*, S Ahn2, J Song3, (1) Chonnam National University Hospital, Chonnam, ,KR, (2) National Cancer Center, Goyang-si Gyeonggi-do, ,KR, (3) Chonnam National University Medical School, Chonnam, ,KR
PO-GeP-M-365Reducing Effective Dose and Cancer Risk for An Interplanetary Space Mission with Magnetic Shielding
K Ferrone1,2*, C Willis1, J Ma1, L Peterson3, F Guan1, S Kry1, (1) The University of Texas MD Anderson Cancer Center, Houston, TX, (2) The Aerospace Corporation, Houston, TX (3) Houston Methodist Research Institute, Houston, TX
PO-GeP-M-368Residual Learning by An Artificial Neural Network for a Radiotherapy Beam Monitoring System
Y Cho1*, (1) Cleveland Clinic, Cleveland, OH
PO-GeP-M-383Skin Dose Comparison Between a 1.5 T MR-Linac and a Conventional Linac Using Optically Stimulated Luminescence Dosimeters for Patients with Intracranial Tumors
A Kim1*, C Mccann1, M Ruschin1, C Tseng2, A Sahgal2, B Keller1, (1) Sunnybrook Odette Cancer Centre, Department of Medical Physics, Toronto, ON, CA, (2) Sunnybrook Odette Cancer Centre, Department Of Radiation Oncology
PO-GeP-M-430VMAT Case Study for Patient Specific Virtual Compensator Algorithm EPID In-Vivo Dosimetry
J Barbiere*, R Teboh Forbang, A Ndlovu, Hackensack Univ Medical Center, Hackensack, NJ
PO-GeP-P-16A New Precision Method to Do IMRT Verification Work in Tomotherapy Treatment Planning System Commissioning
T Pang*, L Yu, B Yang, J Qiu, Peking Union Medical College Hospital, Beijing, 11CN,
PO-GeP-P-29Quality Control of Knowledge Assessment Questions for Training Courses Held On the IAEA/AAPM TRS-483 Small Field Dosimetry Code of Practice for Dosimetry
G Loreti, M Khandekar, K Christaki, D van der Merwe*, Iaea
PO-GeP-P-31Standard of Care Total Body Irradiation for Scleroderma: Duke Institutional Implementation
A Rodrigues, O Craciunescu*, Q Wu, N Larrier, Duke University Medical Center, Durham, NC
PO-GeP-P-73An Exploratory Study On Obtaining Optimal Parameters Of Intensity Modulated Radiotherapy Treatment Plans For Breast Cancer Using Ideal DVH
X Lin*, Y Yin, T Sun, Shandong cancer hospital and institute,Shandong first medical university and shandong academy of medical sciences, Jinan, ShandongCN,
PO-GeP-P-83Accuracy of Electron Monte Carlo Dose Calculations
L Vazquez1*, C Huerta Hernandez2, O Calvo3, S Oddiraju4, (1) Piedmont Health Care,Atlanta, GA, (2) GRP, Temple, TX, (3) Advanced Physics Solutions, San Antonio, TX, (4) Baylor Scott and White Clinics, Round Rock, TX
PO-GeP-P-89Dose Distributions and Comparisons in 3D Lattice Radiotherapy LRT and 2D GRID Beam
M Xu, R Foster*, Y Qin, M Stutz, Northwestern Medicine, Geneva, IL and Radiation Oncology Consultants, Ltd., Oak Brook, IL
PO-GeP-P-90Dosimetry of Shielded Cylindrical Applicators in HDR Brachytherapy
M Xu*, R Foster, M Stutz, Northwestern Medicine, Geneva, IL and Radiation Oncology Consultants, Ltd., Oak Brook, IL
PO-GeP-T-21-D Scanning Water Phantom for 2-D IC Array and LDIC
M Moyers1*, Y Deng1, Z Zhou2, Z Chen1, (1) Shanghai Proton and Heavy Ion Center, CN, (2) Shanghai Zhouyun Industrial Co., Ltd., CN
PO-GeP-T-8A Comparison of External Beam Radiotherapy and Radiopharmaceutical Lineal Energy Distributions Using Monte Carlo Track Structure Simulations
D Adam*, J Grudzinski, B Bednarz, University of Wisconsin, Madison, WI
PO-GeP-T-12A Comprehensive Evaluation of the IQM System Accuracy for Standard Fields and Error Detection Sensitivity for Lung SBRT and Nasopharynx VMAT Plans
T Alharthi1*, A George2, S Arumugam3, L Holloway 4, D Thwaites 5, P Vial6, (1) The University of Sydney, Liverpool and Macarthur Cancer Therapy Centers, Ingham Institute for Applied Medical Research, Sydney, NSW, AU. School of Medicine, Taif University, Taif, SA. (2) Liverpool and Macarthur Cancer Therapy Centers, Sydney, NSW, AU. (3) Liverpool and Macarthur Cancer Therapy Centers, Sydney, NSW , AU. (4) Ingham Institute for Applied Medical Research, Sydney, NSW, AU. Liverpool and Macarthur Cancer Therapy Centers, Sydney, NSW, AU. South Western Sydney Clinical School, University of New South Wales, Sydney, NSW, AU. (5)The University of Sydney,Sydney, NSW , AU. (6) Ingham Institute for Applied Medical Research, Sydney, NSW, AU. Liverpool and Macarthur Cancer Therapy Centers, Sydney, NSW, AU.
PO-GeP-T-19A DNA-Based Detector for Quantification of DNA Damage From Ionizing Radiation
M Tambasco*, San Diego State University, San Diego, CA
PO-GeP-T-23A Dosimetric Validation of the Acuros XB Algorithm in the Clinic for Volumetric Modulation Arc Therapy Plans
R Srivastava*, K Basta, C Wagter, Hospital Center De Mouscron
PO-GeP-T-24A Dosimetry Evaluation Study for the New Treatment Planning System of United Imaging Healthcare: Preliminary Experience From One Institution
X Zhu*, W Hu, J Wang, J Peng, H Guo, L Yu, Department of Radiation Oncology, Fudan University Shanghai Cancer Center, china and Department of Oncology, Shanghai Medical College, Fudan University, ChinaShanghaiCN
PO-GeP-T-38A New HVL-Free Method to Calibrate Surface Electronic Brachytherapy Devices Using Depth-Dose Ratios
C Valdes-Cortez*1,2, Y Niatsetski3, F Ballester2,4, J Vijande2,4, C Candela-juan5, J Perez-Calatayud4,6, (1) Centro Oncologico del Norte, Antofagasta, Chile. (2) Departamento de Fisica Atomica, Molecular y Nuclear, Universitat de Valencia (UV), Valencia, Spain. (3) R&D Elekta Brachytherapy, Veenendaal, The Netherlands. (4) IRIMED Joint Research Unit (IIS La Fe - UV), Valencia, Spain. (5) Centro Nacional de Dosimetria, Instituto Nacional de Gestion Sanitaria, Valencia, Spain. (6) Radiotherapy Department, La Fe Hospital, Valencia, Spain.
PO-GeP-T-39A New Mathematical Modeling Method Designed for Individual Template in Interstitial Brachytherapy
S Wang1*, X Fan2, Y Peng3, R Zhang4, M Miao5, Z Chi6, (1) 4th hospital of Hebei Medical University, Shijiazhuang, HeBei, CN, (2) 4th hospital of Hebei Medical University, Shijiazhuang, HeBei, CN,(3)Sun Yat-sen University Cancer Center ,Guangzhou, CN, (4) 4th hospital of Hebei Medical University, Shijiazhuang, HeBei, CN,(5) 4th hospital of Hebei Medical University, Shijiazhuang, HeBei, CN,(6) 4th hospital of Hebei Medical University, Shijiazhuang, HeBei, CN,
PO-GeP-T-40A Novel Absolute Radiation Dosimetry Approach Measuring Reactive Oxygen Species
J Rahimian*, M Hitchler, Kaiser Permanente Los Angeles Medical Center, Los Angeles, CA
PO-GeP-T-58A Phantom Study to Compare 3D-Printed and Traditionally Hand-Made Boluses in Radiotherapy for Head and Neck Cancer
M Wong*, FKH Lee, T Lee, G Ng, T Chung, M Lam, K Ma, V Cheung, Queen Elizabeth Hospital, Hong Kong SAR
PO-GeP-T-82Acquisition of 3D Dose Distribution for Helical Tomotherapy
S Lim1*, (1) Kosin University Gospel Hospital, Kosin University College of Medicine, Seo-gu, BUSAN, KR
PO-GeP-T-85ADAM-Pelvic Phantom Update: Using Different Dosimetrydetectors to Measure the Dose by An End-To-End Validation
W Johnen1;2*, C Gillmann1;2, M Marot1;2, A Schwahofer1;2;3, A Runz1;2, G Echner1;2, (1) DKFZ, Heidelberg, DE, (2)Heidelberg Institute for Radiation Oncology (HIRO), Heidelberg, DE,(3) National Center for Radiation Research in Oncology (NCRO), Heidelberg, DE,
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-92An Adaptive Method for Recalibrating Gafchromic EBT3 Film
L Chang*, I-Shou University, Kaohsiung, KHQTW,
PO-GeP-T-93An Alternative Approach to Verify 6FFF Beam Dosimetry for Ethos and MR Linac Without Using a 3D Water Tank
Y Hao1*, B Cai1, O Green1, N Knutson1, S Yaddanapudi2, T Zhao1, V Rodriguez1, M Schmidt1, S Mutic1, B Sun1, (1) Washington University School of Medicine, St. Louis, MO, (2) University of Iowa, Iowa City, IA
PO-GeP-T-100An Intelligent IMRT Optimization Method Based On Radiobiological Effects Oriented by Dose Prediction
X Lu1*, Y Li2, A Wu1, M Qi1, Y Liu1, L Zhou1, T Song1, (1) Southern Medical University, Guangzhou, Guangdong, CN, (2) Sun Yat-sen University Cancer Center, Guangzhou, Guangdong, CN
PO-GeP-T-102An Investigation Study Into the Dose Enhancement of Gold Concentration in Radiation Therapy Procedures
K Chatzipapas1, V Zoiopoulou1, P Papadimitroulas2, G Loudos2, N Papanikolaou3, GC Kagadis1*, (1) University of Patras, Rion GR 26504, GR, (2) BIOEMTECH,Athens, GR 11472 ,GR, (3) University of Texas HSC SA, San Antonio, TX 78229, USA
PO-GeP-T-109Angular Dependency of the Measurements of the Novel SRS MapCheck Device in the Magnetic Field
O Pen*, A Price, Washington University in St. Louis, St. Louis, MO
PO-GeP-T-113Application of IAEA TRS-483 Protocol for Validating the Collimator Output Factors of a Gamma Knife Unit Using Diode Detectors
S Cyriac1*, J Liu2, E Calugaru2, J Chang2,3, (1) KIMS Cancer Care and Research Center Pvt Ltd, Trivandrum, KL, IN, (2) Northwell Health and Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Lake Success, NY, (3) Hofstra University, Hempstead, NY
PO-GeP-T-117Are All Volumes of Brain Metastases Suitable for Linac-Based Stereotactic Radiosurgery?
C Liu*, S Ahmed, T Ma, G Neyman, J Suh, P Xia, The Cleveland Clinic Foundation, Cleveland, OH
PO-GeP-T-120Assessing the Accuracy of Ion Chamber Air Kerma Measurements in Synchrotron Produced Monochromatic X-Ray Beams
I El Gamal1,2*, B Muir2, M McEwen2, (1) Carleton University, Ottawa, ON, CA, (2) National Research Council, Ottawa, ON,
PO-GeP-T-127Assessment of Microdosimetric Measurement Uncertainty in Carbon Ion Radiotherapy
S Hartzell*, F Guan, O Vassiliev, P Taylor, C Peterson, S Kry, The University of Texas MD Anderson Cancer Center, Houston, TX
PO-GeP-T-132Automated Algorithm for Generation of Patient-Morphed Computational Phantoms for Radiation Dosimetry
LM Carter1,2*, JS Lewis2, AL Kesner1, (1) Department of Medical Physics, Memorial Sloan Kettering Cancer Center, New York, NY, USA (2) Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
PO-GeP-T-148Beam Characteristics of Energy-Modulated Proton Beams for Single-Energy-Modulated Proton Arc Therapy (SEM-PAT)
S Mossahebi*, A Modiri, P Sabouri, E Makdsay Hana, A Sawant, B Yi, University of Maryland School of Medicine, Baltimore, MD
PO-GeP-T-155Biological Dosimetry of Spatially Modulated Proton Minibeam
N Cao1*, D Miles2, K Yagle1, D Argento1, G Moffitt5, R Emery1, J Meyer1, (1) University of Washington, Seattle, WA (2) Purdue Univ, West Lafayette, IN
PO-GeP-T-160Brachytherapy LDR Prostate Plans Robustness Test Based On Random Sampling
M Rodriguez1*, (1) British Columbia Cancer Agency, Victoria, BC, CA
PO-GeP-T-174Characterization of the Hyperscint Dosimetry System for Real-Time Dosimetry Measurements with the Varian TrueBeamLinac
C Penner1,2*, C Hoehr2, C Mendez1, C Duzenli1, (1) BC Cancer, Vancouver, BC, CA, (2) TRIUMF, Vancouver, BC, CA
PO-GeP-T-176Characterization of the IMRT Performance of a Novel Biology-Guided Radiotherapy (BgRT) Machine Using the TG-119 Methodology
A Purwar*, M Narayanan, S Khan, D Zaks, J White, C Huntzinger, S Shirvani, S Mazin, G Kuduvalli, RefleXion Medical, Hayward, CA
PO-GeP-T-179Characterization of the PTW MicroSilicon Detector
A Turnidge1*, M Heard1, S Junell1, (1) Oregon Health & Science University, Portland, OR
PO-GeP-T-180Characterization of the Response of EBT-XD Radiochromic Films to Proton Therapy Beams
A Darafsheh*, T Zhao, R Khan, Washington University School of Medicine, St. Louis, MO
PO-GeP-T-184Clinical Context of Neutron Dose Contribution From 10MV FFF Vs 15MV Photon Beams
J Vickress1,2*, G Zeng1, R Sankreacha1, (1) Trillium Health Partners/the Credit Valley Hospita, Mississauga, ON, CA (2) University of Toronto Department of Radiation Oncology, Toronto, Ontario, CA
PO-GeP-T-191Clinical Proton Pencil Beam Scanning Gantry as a Test Bench for the FLASH Effect
K Nesteruk*, S Psoroulas, M Togno, S Safai, M Grossmann, A Lomax, D Weber, D Meer, Paul Scherrer Institute, Villigen PSI, CH
PO-GeP-T-196Commissioning and Dosimetric Analysis of Indigenously Developed Interstitial Plus Intracavitary Gynaecological Template in High Dose Rate Brachytherapy
Venkatesan Kaliyaperumal*, S Banerjee, S Abraham, D Kamaraj, M Raju, D Manigandan, T Kataria, Medanta The Medicity, Gurgaon, Haryana, INDIA,
PO-GeP-T-210Comparing SBRT Lung Treatment Plans Using Acuros and AAA to Evaluate Dosimetric Guidelines
M Webster*, J Yeo, S Tanny, N Joyce, University of Rochester, Rochester, NY
PO-GeP-T-211Comparing Surface Dose in Pinnacle and Eclipse Using a Commercial OSLD
W Short*, J Yakoubian, Carti Cancer Center, Little Rock, AR
PO-GeP-T-219Comparison of Dosimetry Parameters for Two Xoft Axxent Source Models
A Walter*, D Anderson, L DeWerd, Department of Medical Physics, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI
PO-GeP-T-227Comparison of Prone Versus Supine Position and Different Planning Technique of Anal Cancer Treated with Pencil-Beam Scanning Proton Beam: Cross Institutional Dosimetric and IGRT Studies
S Ito1*, A Anand2, J Lentz2, C Beltran3, (1) Mayo Clinic, Rochester, MN, (2) Mayo Clinic Arizona, Phoenix, AZ, (3) Mayo Clinic, Jacksonville, FL
PO-GeP-T-229Comparison of Reference Dosimetry Protocols for Small Radiosurgery Fields
Z Iqbal*, T Chiu, D Parsons, A Godley, X Gu, S Stojadinovic, UT Southwestern Medical Center, Dallas, TX
PO-GeP-T-230Comparison of Relative Dosimetric Response of KCl:Eu2+ Between Proton and Photon Irradiation: Implications for LET Independence
J Setianegara*, T Mazur, B Maraghechi, A Darafsheh, D Yang, T Zhao, H Li, Washington University School of Medicine, St. Louis, MO
PO-GeP-T-231Comparison of the REB Enhancement Owing to Iodine, Calculated by MKM and LEM
Y Chiang*, Chang Gung University, Guishan Dist, TAOTW,
PO-GeP-T-233Comparison of Two Commercial Software Packages for Y-90 SIRT Dosimetry
M Studenski*, M Witte, B Spieler, M Georgiou, L Portelance, Sylvester Comprehensive Cancer Center, University of Miami Miller School of Medicine, Miami, FL
PO-GeP-T-234Comparison of Vendor-Dependent Versus Commercially-Available, Independent LINAC Quality Assurance (QA) for Daily QA
C Stambaugh*, C Melhus, Tufts Medical Center, Boston, MA
PO-GeP-T-238Comprehensive Evaluation and Implementation of Two Independent Methods for Beam Monitor Calibration for Proton Scanning Beam
J Shen*, X Ding, Y Hu, Y Kang, W Liu, W Deng, M Bues, Mayo Clinic Arizona, Phoenix, AZ
PO-GeP-T-239Comprehensive Peripheral Dosimetry for Estimation of Fetal Dose in the Setting of Intracranial Radiation Therapy
A Rodrigues*, E Cullom, K Pant, W Giles, Duke University Medical Center, Durham, NC
PO-GeP-T-258Delivery of Proton Monoenergetic Arc Therapy (PMAT) and Measurements with Radiochromic Films
A Haertter*, J Liu, A Bertolet Reina, A Carabe-Fernandez, Hospital of the University of Pennsylvania, Philadelphia, PA
PO-GeP-T-259Delivery Quality Assurance System Based On Simultaneous Verification of Three-Dimensional Dose Distribution and Mechanical Motion
Y Tanaka1*, M Ishigami2, H Miyauchi1,3, K Takahashi1, M Nakano3, T Hasegawa4, M Hashimoto4,(1) Kitasato University Graduate School of Medical Sciences, Sagamihara, Kanagawa, JP, (2) Department of Radiology, Kitasato University Hospital, Sagamihara, Kanagawa, JP, (3) Cancer Institute Hospital of JFCR, Koto-ku, Tokyo, JP, (4) Faculty of Allied Health Sciences, Kitasato University, Sagamihara, Kanagawa, JP
PO-GeP-T-265Details Count! Micrometric Airgaps Between Phantom Slabs Influence Film Dosimetry When Micro-Fractionated X-Ray Beams Are Used
P Pellicioli1*, M Donzelli1, R Hugtenburg2, F Esteve3, E Brauer-Krisch1, M Krisch1, (1) European Synchrotron Rad. Fac.,Grenoble, FR (2) Swansea University, Swansea, UK (3) UA7 Strobe, Grenoble, FR
PO-GeP-T-266Detectability of MLC Stop Position Error During Treatment by Gantry-Mounted Transmission Detector
H Honda1,2*, M Tominaga3,M Sasaki4,Y Uto5,M Oita6, Y Hamamoto7,T Mochizuki8,T Kido9,Y Ishii10,R Yamamoto11,K Omoto12 (1) Department of Radiological Technology, Ehime University Hospital, Ehime, JP, (2) Graduate School of Advanced Technology and Science, Tokushima University, Jp, (3) Institute of Biomedical Sciences, Tokushima University Graduate School, Tokushima, JP, (4) Institute of Biomedical Sciences, Tokushima University Graduate School, Tokushima, JP, (5) Institute of Bioscience and Bioindustry, Tokushima University, Tokushima, Jp, (6) Okayama University Graduate School of Interdisciplinary Science and Engineering in Health Systems, Okayama, JP, (7)Department of Radiological Technology, Ehime University Hospital, Ehime, JP,(8) Department of Radiological Technology, Ehime University Hospital, Ehime.JP,(9) Department of Radiology, Ehime University Graduate School of Medicine, Ehime, JP, (10) Department of Radiological Technology, Ehime University Hospital, Ehime, JP, (11) Department of Radiological Technology, Ehime University Hospital, Ehime, JP, (12) Department of Radiological Technology, Ehime University Hospital, Ehime, JP,
PO-GeP-T-267Detection of Errors in HDR Brachytherapy With An in Vivo Dosimeter With Real-Time Positional Tracking Information
D Tho1,2*, L Beaulieu1,2, (1) Departement de radio-oncologie et Centre de recherche du CHU de Quebec CHU, Quebec,QC,CA, (2) Departement de physique de genie physique et doptique, et Centre de recherche sur le Cancer, Universite Laval, Quebec, QC, CA
PO-GeP-T-269Determination of Absorbed Dose to Water Using Fricke Dosimetry for 6 MV Photons Beams
C Salata1,2*, V Guimaraes2, A Mantuano2, A Pickler2, C Mota2, M Santos3, C de Almeida2, (1) brazilian nuclear energy authority, Rio De Janeiro, ,BR (2) Radiology Science Laboratory of Rio de Janeiro State University (LCR/UERJ), Rio De Janeiro, ,BR, (3) Instituto Nacional do Cancer, Rio De Janeiro, RJ, BR
PO-GeP-T-270Determination of Absorbed-Dose-To-Water From Common Targeted Radionuclide Therapy Agents
A Bertinetti*, B Bednarz, B Palmer, R Hernandez, B Smith, C Hammer, J Grudzinski, W Culberson, University of Wisconsin Madison, Madison, WI
PO-GeP-T-276Determination of the Optimal Fall-Off Value for the NTO in Centrally Located Lung Masses and Prostate Patients
M Gagne*, S James, C Huh, A Al-Basheer, Augusta University, Augusta, GA
PO-GeP-T-282Development and Verification of Mailed Audit Alanine Dosimeters for Radiotherapy in China
K Wang, S Jin*, J Zhang,
PO-GeP-T-287Development of a Known-Volume Spherical Ionization Chamber
E King*, L DeWerd, Department of Medical Physics, School of Medicine and Public Health, University of Wisconsin-Madison
PO-GeP-T-290Development of a Water Calorimeter with Plane-Parallel Glass Vessel for Absolute Measurement of Absorbed Dose to Water
z wang1,2, S Jin1, K Wang1, J Zhang1*, (1) National Institute of Metrology, Beijing, CN, (2) School of Mechanical, Electronic and Control engineering, Beijing Jiaotong University, Beijing, CN,
PO-GeP-T-291Development of An Age-Scalable Colon Model with Substructures for Colon Radiation Therapy Dosimetry in Large Pediatric Cohorts for Late-Effects Studies
C Owens1,2*, A Gupta1,2, S Shrestha1,2, S Smith1, C Lee3, C Peterson1,4, A Paulino5, S Kry1,2, D Followill1,2, R Howell1,2, (1) Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX, USA, (2) The University of Texas Graduate School of Biomedical Sciences at Houston, Houston, TX, USA, (3) Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institute of Health, Bethesda, MD, USA, (4) Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, TX, USA, (5) Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
PO-GeP-T-294Development of An Automated Routine for Finding the Precise Location of Scintillators Elements and Their Emission Spectrum in a Multi-Point Scintillation Detector
B Lessard1,2*, F Larose1,2, F Berthiaume1,2,3, S Lambert-girard1,2,3, F Therriault-Proulx3, L Archambault1,2, (1) Departement de physique, genie physique et optique, et Centre de recherche sur le cancer, Universite Laval, Quebec, CA, (2) CHU de Quebec - Universite Laval et CRCHU de Quebec, Quebec, CA, (3) Medscint inc., Quebec, CA
PO-GeP-T-295Development of Dosimetric Verification System for HDR Brachytherapy: A Feasibility Study
S Kang1*, J Chung2, W Cho3, S Kang2, K Kim1, D Shin1, T Suh1, (1) The Catholic University, College of Medicine, Seoul, 41, KR, (2) Seoul National University Bundang Hospital, Seongnam, 41, KR, (3) Boramae Medical Center, Seoul, ,KR
PO-GeP-T-302Development of Real-Time Dwell Verifier for HDR Brachytherapy Based On 64 Channels of Scintillation Fiber System
NH KWON1*, JS Kim2, JH Kim3, KP Kim4, GH Jahng5, SH Choi6, DW Kim2, (1) Yonsei University, Seoul, KR, (2) Department of Radiation Oncology, Yonsei Cancer Center, Seoul, KR, (3) CHA Bundang Medical Center, CHA University, Seongnam, Gyeonggi, KR (4) Kyung Hee University, Yongin-si, KR (5) Kyung Hee University Hospital at Gangdong, Seoul, KR (6) Division of Medical Radiation Equipment, Korea Institute of Radiological and Medical Sciences, Seoul, KR
PO-GeP-T-303Development of the Scintillator Imaging System for the Measurement of the Dose Volume with High-Sampling Rate
M Tsuneda1*, T Nishio1, T Ezura2, K Karasawa1, (1) Tokyo Women's Medical University, Shinjuku-ku, Tokyo, JP, (2) Kanagawa Cancer Center, Yokohama, Kanagawa, JP
PO-GeP-T-309Dose Calculation Accuracy Comparison of BrainLab Monte Carlo and Eclipse Acuros XB for SRS/SBRT Planning
J Yoon*, A Gray, The University of Rochester Cancer Cen, Rochester, NY
PO-GeP-T-313Dose-Rate and "SSD" Dependence of Commercially Available Diamond and Diode Detectors
A Khan*, W Culberson, L DeWerd, Dept of Med Phys, School of Medicine and Public Health, Univ of Wisc-Madison
PO-GeP-T-323Dosimetric Characterization of Bonvoisin-Gerard Esophageal Applicators with High Contrast Agent
K Xu1*, B Traughber1,2, E Harris1,2, T Podder1,2, (1) University Hospitals Cleveland Medical Center, Cleveland, OH, (2) Case Western Reserve University, Cleveland, OH
PO-GeP-T-324Dosimetric Comparison Between Static Intensity Modulated Radiotherapy and Volumetric Intensity Modulated Radiotherapy for Esophageal Cancer
L Jing1, W Lu2*, W Lu2, (1) Taian Tumor Hospital, Taian, Shandong Province, CN, (2) Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, Shandong Province, CN
PO-GeP-T-326Dosimetric Comparison of Elekta Vaginal CT/MR Multi-Lumen and Segmented Single Lumen Cylinder HDR Applicators of the Same Diameter
S James*, M Gagne, A Al-Basheer, C Huh, Augusta University, Augusta, GA
PO-GeP-T-331Dosimetric Comparison of Lung Cancer SBRT Treatment Plans Using Varian Truebeam and Vitalbeam
H Sha*, P Aryal, Bayhealth Medical Center, Dover, DE
PO-GeP-T-332Dosimetric Comparison of Radioactive Bone Cements for the Treatment of Spinal Metastases
P Rafiepour1, S Sina2*, P Azimi3, R Faghihi1, (1) School of Mechanical Engineering, Shiraz University, Shiraz, Fars, Iran (2) Radiation Research Center, School of Mechanical Engineering, Shiraz University, Fars,Iran (3) Functional Neurosurgery Research Center, Shahid Beheshti University of Medical Sciences, Iran
PO-GeP-T-333Dosimetric Comparison of Vaginal Ovoid with Cylinder Brachytherapy for Borderline Size of Tumor at the Vaginal Cuff
X Wu*, A Nikolaev, D Bridges, S Shen, R Kim, Univ Alabama Birmingham, Birmingham, AL
PO-GeP-T-338Dosimetric Evaluation of 3 and 4 Field Radiation Therapy of Breast Cancer
S Dang*, E Osei, J Darko, Grand River Hospital, Kitchener, ON, CA.
PO-GeP-T-340Dosimetric Evaluation of a New Integrated SBRT/IMRT Treatment System
D wu1*, A Eldib2, L Chen3, Q Jiang4, B Wang5, T Dos Santos6, C Ma7, (1) The People`s Hospital of Guangxi Zhuang Autonomous Region, Nanning, Guangxi, CN, (2) Fox Chase Cancer Center, Philadelphia, PA, (3) Fox Chase Cancer Center, Philadelphia, PA, (4) The First Affliated Hospital of Chongqing Medical University, Chongqing, Chongqing, CN, (5) Temple University Hospital, Philadelphia, PA, (6) AdventHealth at Gordon, Calhoun, GA, (7) Fox Chase Cancer Center, Philadelphia, PA
PO-GeP-T-348Dosimetric Impact of the Use of Jaw Tracking for Fields Smaller Than 3x3cm2 in Lung SBRT VMAT Plans
E Hubley*, R Scheuermann, D Carlson, C Kennedy, University of Pennsylvania, Philadelphia, PA
PO-GeP-T-357Dosimetry of Synchrotron-Based FLASH Irradiation Using Low-Sensitivity Radiochromic Film
K Yasui1*, T Toshito2, C Omachi2, Y Shinozawa3, M Umezawa3, H Ogino2, (1)Fujita Medical University, Toyoake, Japan, (2)Nagoya Proton Therapy Center, Nagoya, Japan,(3) Hitachi Ltd., Smart Therapy Division, Kashiwa, Japan
PO-GeP-T-358Dosimetry of the Beta Ophthalmic Applicator Utilized in the Cook Et Al. RCT for Scar Prophylaxis in Glaucoma Trabeculectomy Surgery
A Cohen* (1), L Marsteller (1), IE Murdoch (1,2), N Joubert (3), J Wetter (3), G Maree (3), W Lutz (1); (1) Radiance Therapeutics, Inc.; (2) Institute of Ophthalmology, University College London, UK; (3) Department of Radiation Oncology, University of Cape Town, Groote Shuur Hospital, ZA.
PO-GeP-T-365Effect of Magnetic Field On the Response of EBT-XD and EBT3 Radiochromic Films in MRIgRT
A Darafsheh*, Y Hao, B Maraghechi, R Khan, Washington University School of Medicine, St. Louis, MO
PO-GeP-T-366Effect of Pitch and Modulation Factor in Plan Quality for Helical Tomotherapy by Using AAPM TG119 Test Suites
Venkatesan Kaliyaperumal*, T Kataria, Maragatha Veni, TamilSelvan, D Manigandan, Thushant Nair, Asif Ahmed, Rajesh S, Medanta The Medicity, Gurgaon, Haryana, India,
PO-GeP-T-367Effect of Smoothening Algorithms On Small Field Measured Beam Profile Data
Amanjot Kaur1,2*, G. Sahani3, (1) Mahatma Phule Charitable Trust Hospital, Navi Mumbai, MH, IN (2) D. Y. Patil Education Society (Deemed to be University), Kolhapur, MH, IN (3) Atomic Energy Regulatory Board, Mumbai, IN
PO-GeP-T-369Effect of Tumor Involvement On Activity Determination of Resin Yttrium-90 in Selective Internal Radiation Therapy of Metastatic Liver Cancer
J Li*, Y Yu, Thomas Jefferson University, Philadelphia, PA
PO-GeP-T-370Effect of X-Ray Irradiation On the Ultrasound Imaging Signal of a Novel Photoacoustic Contrast Agent
F Forghani1*, A Mahl1, G Shakya2, M Borden2, T Patton1, Y Vinogradskiy1, B Jones1, M Miften1, D Thomas1, (1) University of Colorado Anschutz Medical Campus, Aurora, CO, (2) University of Colorado Boulder, Department of Mechanical Engineering, Boulder, CO.
PO-GeP-T-377Endometrial Treatments with Electronic Brachytherapy. Comparison to Ir192 and Co60 HDR Sources
S Lozares1*, A Gandia1, V Alba1, S Jimenez1, M Hernandez1, J Font1, D Villa1, A Campos2, S Flamarique2, (1) Medical Physics Department Hospital Universitario Miguel Servet, Zaragoza (Spain), (2) Radiation Oncology Department Hospital Universitario Miguel Servet, Zaragoza, (Spain)
PO-GeP-T-411Evaluation of PTW MicroSilicon Diode Detector for Small Field Dosimetry with the Elekta Versa HD Linear Accelerator
J Kim, C Hong, H Kang*, Yonsei University College of MedicineSeoulKR
PO-GeP-T-426Evaluation of Tumor Volume Change Using Transit Dosimetry in Lung Radiotherapy
X Shen*, S Hsu, D Mynampati, P Brodin, A Basavatia, N Ohri, W Bodner, W A Tome, Montefiore Medical Center, Bronx, NY
PO-GeP-T-428Evaluation On Dosimetric Effects of Irregular Motion During 4DCT Scanning Using a Self-Developed Lung Phantom
R Zhao*1, H Wei1, X He2, (1) Shanghai Pulmonary Hospital and Tongji University School of Medicine,Shanghai, CN,(2)Ruijin Hospital and Shanghai Jiaotong University School of Medicine,Shanghai, CN
PO-GeP-T-433Experimental and Monte Carlo Analysis of Gold Nanoparticle Dose Enhancement Using 6 MV and 18 MV External Beam Energies
T Gray1*, N Bassiri2, S David1, D Patel1, S Stathakis2, N Kirby2, K Mayer1, (1) The University of Texas at San Antonio, San Antonio, TX, (2) Mays Cancer Center - MD Anderson Cancer Center, San Antonio, TX
PO-GeP-T-439Experimental Verification of Reference Dosimetry Correction Factors for Leksell Gamma Knife Icon Beams
W Hager1*, V Kaveckyte2,3, H Benmakhlouf3, (1) Dept. of Physics, Stockholm University, Stockholm, SE, (2) Dept. of Medical and Health Sciences, Linkoping University, Linkoping, SE, (3) Dept. of Medical Radiation Physics and Nuclear Medicine, Karolinska University Hospital, Stockholm, SE
PO-GeP-T-441Eye Plaque Brachytherapy Treatment Planning with Fundus Image-Based Tumor Modeling: Retrospective Institutional Experience
I Chibirev1*, S Meltsner2, Z Chang3, M Materin4, D Kirsch5, O Craciunescu6, (1) Duke University, Durham, NC, (2) Duke University Medical Center, Durham, NC, (3) Duke University Medical Center, Durham, NC, (4) Duke University Medical Center, ,,(5) Duke University Medical Center, Durham, NC, (6) Duke University Medical Center, Durham, NC
PO-GeP-T-444Feasability Study Of Stereotactic Intracranial Treatments On Halcyon Treatment Machine
F JOSSERAND PIETRI1*, D NGUYEN2, V Passerat3, N Barbet2, M Khodri2, (1) Radiotherapy Center ORLAM, MERMOZ, Lyon, 69, FR, (2) Radiotherapy centers of ORLAM group, Macon, ,FR, (3) Radiotherapy Centers Of Orlam Group, Villeurbanne,,FR
PO-GeP-T-477High Accuracy Measurement of Absorbed Dose to Water Using Optically Stimulated Luminescence Dosimeter in High-Energy Photon Beam Field
S Goto1,2*, H Hayashi1, H Yamaguchi2, M Shimizu2, R Akino3, H Sekiguchi3, (1) College Of Medical, Pharmaceutical And Health Sciences, Kanazawa University, Kanazawa, Japan, (2) National Institute Of Advanced Industrial Science And Technology, Japan, (3) Nagase-Landauer, Ltd.
PO-GeP-T-485Imaging the Effective Point of Measurement of a Dosimeter Inside a Phantom
S Cyriac1*, J Liu2, E Calugaru2, J Chang2,3, (1) KIMS Cancer Care and Research Center Pvt Ltd, Trivandrum, KL, IN, (2) Northwell Health and Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Lake Success, NY, (3) Hofstra University, Hempstead, NY
PO-GeP-T-495Impact of the Change in the Mean Excitation Energy of Diamond On Energy Deposition in Different Beam Qualities
V Kaveckyte1,2*, A Carlsson Tedgren1,2, J M Fernandez-Varea3, (1) Linkoping University, Linkoping, Sweden, (2) Karolinska University Hospital, Stockholm, Sweden, (3) Barcelona University, Barcelona, Spain
PO-GeP-T-502Implementation of New QA Method for Source Sector Movement Verification in Gamma Knife Radiosurgery
GOPISHANKAR NATANASABAPATHI*, RAJKISHOR BISHT, SUBASH CHANDER, SS KALE, All India Institute of Medical Sciences New Delhi IN
PO-GeP-T-507Implications of Metallic Spine Hardware On Dosimetry and Image Verification in Spine SBRT
E Tchistiakova*, H Morrison, K Thind, N Ploquin, Tom Baker Cancer Center, Calgary, AB,CA
PO-GeP-T-514In Vivo Dosimetry with XR RV3 Radiochromic Films in IORT
S Lozares1*, D Villa1, M Hernandez1, A Gandia1, S Jimenez1, V Alba1, J Font1, S Flamarique2, A Campos2, (1) Medical Physics Dept. Hospital Universitario Miguel Servet, Zaragoza,(Spain), (2)Radiation Oncology Dept. Hospital Universitario Miguel Servet, Zaragoza, (Spain)
PO-GeP-T-518Influence of Dosimeter Leakage Current On the Determination of Absorbed Dose to Water
N Kinoshita1*, A Takemura2, H Oguchi3, E Kidoya1, H Shioura4, H Kimura4, (1) Radiological Center, University of Fukui Hospital, JP, (2) Faculty of Health Sciences, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, JP, (3) Department of Radiological and Medical Laboratory Sciences, Nagoya University Graduate School of Medicine, JP, (4) Department of Radiology, University of Fukui Hospital, JP
PO-GeP-T-521Institutional Experience of 10 Years 2ndary Dose Calculations of Intensity Modulated Beams
S Stathakis*, C Kabat, Mays Cancer Center - MD Anderson Cancer Center, San Antonio, TX
PO-GeP-T-525Interactive Dosimetric Evaluation Scorecard Interface Based On Clinical Goals Defined in An External Database
A Lauzon, L Etienne, F Hobeila, M Hinse, B Carozza, CISSS de Laval, Laval, Quebec, CA
PO-GeP-T-532Investigating the Dosimetric Consequences of Eclipse Couch Rail Modelling
K Spuhler, K Osterman*, NYU Langone Health, New York, NY
PO-GeP-T-539Investigation of Potential Dosimetric Errors in the Treatment Planning System of An Image-Guided Small Animal Irradiator
K Liu*, Y Wang, C Wuu, Columbia University Irving Medical Center, New York, NY
PO-GeP-T-541Investigation of Radiophotoluminescent Glass Dosimeter Response for a Spot Scanning Proton Beam Dosimetry
J Nagata*, K Yasui, N Hayashi, S Ogawa, K Ouchi, Graduate school of Health Sciences, Fujita Health University, Toyoake, AichiJP,
PO-GeP-T-543Investigation of the Dosimetric Accuracy of Treatment Planning for Total Body Irradiation Using Extended Distance Technique
A Eldib1*, T Lin1, J Liu1, M Hossain1, M Afifi2, R Price1, C Ma1, (1) Fox Chase Cancer Center, Philadelphia, PA, (2) Faculty of Applied Medical Sciences,Prince Sattam bin Abdulaziz University
PO-GeP-T-545Investigation of the Potential for Dosimetric Accuracy Improvements When Utilizing the Gammex 1467 Advanced Electron Density Phantom for CT Number Conversions of High-Density Biologic Material
A Plypoo1*, E Lobb2, K Ruchala3, (1) Ascension St. Elizabeth Hospital, Appleton, WI, (2) Ascension St. Elizabeth Hospital, Appleton, WI, (3) GAMMEX Inc., Madison, WI
PO-GeP-T-550Investigations of Well Chamber Altitude Corrections for a Cs-131 Low Energy Brachytherapy Source
J Lambeck*, W Kennan, L DeWerd, University of WI-Madison/MRRC, Madison, WI
PO-GeP-T-552Is Optimizing the Effective Spot Size Necessary to Achieve Accurate Dosimetry for SRS and SBRT Treatment Under a Robust Beam Model Building Process?
Y Wang*, X Wu, T Mutanga, M Nielsen, G Zeng, Trillium Health Partners/Credit Valley Hospital, Mississauga, ON, CA,
PO-GeP-T-554Is the Transient Dose Significant and Is It Compensated in Gamma Knife ICON?
T Qu1*, (1) NYU Langone Medical School, New York, NY
PO-GeP-T-557Lateral Scattering of Single Pencil Beam Spots in Proton Tissue Equivalent Materials
C Correa Alfonso1*, W Bolch1, W Hsi2, E Olguin1, E Macartney1, Z Li2, (1) University of Florida, Gainesville, FL, (2) University of Florida, Jacksonville, FL
PO-GeP-T-558Lead Foil for Flattening Filter Free Reference Dosimetry: Do We Really Need It?
D Campos1*, (1) Allegheny Health Network, Pittsburgh, PA
PO-GeP-T-579Microdosimetric Assessment of Model Based Relative Biological Effectiveness in Carbon Ion Therapy
S Hartzell*, F Guan, O Vassiliev, P Taylor, C Peterson, S Kry, The University of Texas MD Anderson Cancer Center, Houston, TX
PO-GeP-T-580Mixed Electron-Photon Radiation Therapy Delivery and Quality Assurance
VJ Heng1*, M Renaud2, M Serban3, J Seuntjens1, (1) McGill University, Montreal, QC, CA, (2) Polytechnique Montreal, Montreal, QC, CA, (3) McGill University Health Centre, Montreal, QC, CA
PO-GeP-T-598Multicentre Comparison of Scatter Factors for Square and Rectangular Small Fields Defined for TrueBeam Linacs
C Venencia1*,A Alarcon1*, F. Bregains2*, N. Larragueta2*, R. Hill3*, J. Morales3*, A. Adrada4*, D. Gonzalez4*, D. Vaca5*,J. Paz5*,(1) Instituto Zunino - Fundacion Marie Curie, ARGENTINA, (2) CEMENER, ARGENTINA, (3) Chris O'Brien Lifehouse, AUSTRALIA, (4) Clinica de Occidente, COLOMBIA, (5) Clinica Valle del Lili, COLOMBIA
PO-GeP-T-604Novel Radiochromic Films for Dosimetry in Gamma Knife Stereotactic Radiosurgery
A Mittal1*, N Gopishankar2, A Verma3, P Kumar4, (1) All India Institute Of Medical Sciences, New Delhi, IN (2) All India Institute of Medical Sciences, New Delhi, IN (3) University Of Delhi, Delhi, IN (4) All India Institute Of Medical Sciences, New Delhi, IN
PO-GeP-T-611Optical Calibration of Radiochromic Film Thickness With IR Dye
R Kaiyum1*, N Allam2, C Schruder1, O Mermut1, A Rink1,3, (1) Department of Physics and Astronamy, York Univeristy, Toronto, ON, CA, (2) Department Of Medical Biophysics, University Of Toronto, ON , CA, (3) The Princess Margaret Cancer Centre, University Health Network, Toronto, ON, CA
PO-GeP-T-612Optical Calorimetry for Radiation Dosimetry
J Roberts1*, J Meyer2, S Marsh3, A Moggre4, (1) University of Canterbury, Christchurch, CAN, NZ, (2) University of Washington, Seattle, WA, (3) University of Canterbury, Christchurch, CAN, NZ, (4) Canterbury District Health Board, Christchurch, CAN, NZ
PO-GeP-T-613Optimal Choice of Flattening Filter Free Beam for SBRT in Carcinoma of Lung
R KINHIKAR1*, P AGARWAL2, R Barman3, S Hazarika4, S Kale5, E Dandpani6, N Mummudi7, A Tibdewal8, J AGARWAL9, (1) Tata Memorial Hospital, Mumbai, MH, IN, (2) TMH, Varanasi, UP, IN, (3) Tata Memorial Centre, ,,(4) Artemis Hospitals, Gurugram, HR, IN, (5) Tata Memorial Centre, ,,(6) ,,,(7) Tata Memorial Centre, ,,(8) ,,,(9) TMH, Mumbai, MH, IN
PO-GeP-T-615Optimization and Construction of a Glass Vessel and MR-Compatible Water Calorimeter for Use in Clinical Photon and Electron Beams
M D'souza1*, H Nusrat2,3, V Iakovenko2,3, J Renaud3, A Sarfehnia1,2,3, (1) Department of Physics, Ryerson Univeristy, Toronto, ON, CA, (2) Department of Medical Physics, Odette Cancer Centre, Sunnybrook Health Sciences Centre, Toronto, ON, CA, (3) Department of Radiation Oncology, University of Toronto, Toronto, ON, CA, (4) National Research Council Canada, Ottawa, ON, CA
PO-GeP-T-621Output Factor Measurements with Multiple Unshielded Dosimeters In Cyberknife Robotic Radiosurgery System
M Manavalan1*, M Duraisamy2, G Narayanasamy3, S Stathakis4, F Godson5, S Vikraman6, (1) PTW, New York, NY, (2) Medanta The Medicity Hospital, Gurgaon, India, (3) University of Arkansas for Medical Sciences, Little Rock, AR, (4) Mays Cancer Center - MD Anderson Cancer Center, San Antonio, TX, (5) Christian Medical College, Vellore, India, (6) The Brunei Cancer Centre (TBCC), Brunei
PO-GeP-T-643Portal Dosimetry Comparison for Three Beam-Matched Varian TrueBeam LINACs
K Yang1*, W Jiang2, R Patel2,1, S Sharma1, A Ju1, (1) East Carolina University, Greenville, NC, (2) 21st Century Oncology, Greenville, NC
PO-GeP-T-646Pre-Clinical and Clinical Evaluation of the HYPERSCINT Scintillation Dosimetry Research Platform
I Schoepper1, E Trestrail2*, S Dieterich3, M Kent4, (1) WR Pritchard Veterinary Medical Teaching Hospital, UC Davis School of Veterinary Medicine, UC Davis School Of Veterinary Medicine, (2) Pacific Crest Medical Physics ,Chico, CA, (3) UC Davis Medical Center, Sacramento, CA, (4) Surgical and Radiological Sciences, UC Davis School of Veterinary Medicine, Davis, CA,
PO-GeP-T-647Preclinical Application of Electronic Portal Imaging Device
Akbar Anvari,1,2 Amit Sawant2 (1) Department of Radiation Oncology, Perelman Center for Advanced Medicine, University of Pennsylvania, Philadelphia, PA, USA (2) Department of Radiation Oncology, University of Maryland School of Medicine, Baltimore, MD, USA
PO-GeP-T-665Proton Spot Dose Perturbation by Common Dental Materials
Y Hu*, L Wu, D Mundy, Mayo Clinic, Rochester, MN
PO-GeP-T-668PTV Margins for Gamma Knife Icon Frameless Treatment: A Validation Study
P Diagaradjane1*, E Han2, D Luo3, Y Ding4, G Kalaitzakis5, E Zoros6, K Zourari7, T Boursianis8, E Pappas9, Z Wen10, J Wang11, T Briere12, (1) The UT MD Anderson Cancer Center, Houston, TX, (2) UT MD Anderson Cancer Center, Houston, TX, (3) UT MD Anderson Cancer Center, Houston, TX, (4) MD Anderson Cancer Center, Houston, TX, (5) Department of Medical Physics, University of Crete, Heraklion, Crete, Greece , GR,(6) Medical Physics Laboratory, Medical School, National and Kapodistrian University of Athens, Athens 115 27, Greece, GR,(7) Medical Physics Laboratory, Medical School, National and Kapodistrian University of Athens, Athens 115 27, Greece, GR, (8) Department of Medical Physics, University of Crete, Heraklion, Crete, Greece, GR, (9) Department Of Biomedical Sciences, Of West Attica, Athens, Greece, ,,(10) MD Anderson Cancer Center, Houston, TX, (11) MD Anderson Cancer Center, Houston, TX, (12) MD Anderson Cancer Ctr., Houston, TX
PO-GeP-T-669Qualification and Reproducibility of Proton FLASH Fields Delivered with Prototype Ultra-High Dose Rate Hardware
M Folkerts1*, T Pfeiler2, I Huth3, I Kalichava4, A Douiri5, J Heese6, (1) Varian Medical Systems, Inc., Palo Alto, California, (2) Varian Medical Systems, Inc., ,,DE, (3) Varian Medical Systems, Inc., ,,DE, (4) Varian Medical Systems, Inc., ,,DE, (5) Varian Medical Systems, Inc., ,,DE, (6) Varian Medical Systems, Inc., ,,DE
PO-GeP-T-678Quantifying Patient Shifts Using In Vivo EPID Images
J Zavala Bojorquez*, C Bojechko, University of California San Diego, La Jolla, CA
PO-GeP-T-684Radiation Planning and the Dosimetric Impact On An Orthotopic and Syngeneic Murine Model of Breast Cancer
S Rusu1*, B Janic2, S Brown3, G Valadie4, J Ewing5, I Chetty6, N Wen7, (1) Henry Ford Hospital, Detroit, MI, (2) Henry Ford Hospital System, Grosse Point Woods, MI, (3) Henry Ford Hospital, Detroit, MI, (4) Wayne State University, Detroit, MI, (5) Henry Ford Hospital System, Detroit, MI, (6) Henry Ford Health System, Canton, MI, (7) Henry Ford Health System, Detroit, MI
PO-GeP-T-689Range Determination for Proton Beams. A Comparison Between Luminescence Imaging in Water and Standard Ionization Chamber Based Methods
J Burg1,2*, F Horst1, J Wulff4,5,6 H Vorwerk2, K Zink1,2,3, (1) University Medical Center Giessen-Marburg, Department of Radiotherapy and Radiooncology, Marburg, Germany (2) University of Applied Sciences, Institute of Medical Physics and Radiation Protection, Giessen, Germany (3) Marburg Ion-Beam Therapy Center (MIT), Marburg, Germany (4) West German Proton Therapy Centre Essen, Essen, Germany (5) West German Cancer Center (WTZ), Essen, Germany (6) Department of Particle Therapy, University Hospital Essen, Essen, Germany
PO-GeP-T-697Real-Time In-Vivo Dose Tracking for Scalp Cutaneous Lymphoma Treated with Electron: First Time Application of E-PSD for Patient Dose Tracking
Z Xu1*, C Langmack1, A Bhatt1,2, T Baig1, B Traughber1,2, E Harris1,2, T Podder1,2, (1) University Hospital Seidman Cancer Center, Cleveland, OH,(2) Case Western Reserve University, Cleveland, OH
PO-GeP-T-698Real-Time MOSkin In-Vivo Rectal Dosimetry for TRUS Based HDR Prostate Brachytherapy
J Poder1,2*, A Howie1, R Brown1, J Bucci1, A Rosenfeld2, K Enari1, K Schreiber1, M Carrara3, D Malouf1, D Cutajar2, (1) St George Cancer Care Centre, Kogarah, NSW, AUS (2) University of Wollongong, Wollongong, NSW ,AU, (3) Fondazione IRCCS Istituto Nazionale dei Tumori, Milano, IT
PO-GeP-T-702Relationship Between Yttrium 90 Radioactivity Distribution and Treatment Response in Transarterial Radioembolization of Hepatocellular Carcinoma, An Institutional Study Results
C Adcock*, E Florez, A Patel, C M. Howard, A Fatemi, H Khosravi, University of Mississippi Medical Center, Jackson, MS
PO-GeP-T-705Response of Parallel-Plate Ionization Chambers On the Buildup Dose Measurement in Inline Magnetic Fields
N Anami1*, F Araki2, T Ohno3, (1) ,Kumamoto University, Kumamoto,JP, (2) Kumamoto University, Kumamoto, JP, (3) Kumamoto University, Kumamoto, JP
PO-GeP-T-706Retrospective Analysis of Stereotactic Body Radiation Therapy (SBRT) Patients for Lung Cancer
A Bhangu*, E Osei, J Darko, Grand River Hospital, Kitchener, ON, CA.
PO-GeP-T-710Revision of Red Bone Marrow Doses of Chernobyl Clean-Up Workers Based On Conversion Coefficients From Advanced Phantoms Depending On the Body Weight
K Chizhov*, C Lee, National Cancer Institute, Rockville, MD
PO-GeP-T-738Step-Size Dependence of Monte Carlo Simulations for Cherenkov Emission (CE)-Based Dosimetry Calculations
Y Zlateva1*, B Muir2, I El Naqa3, J Seuntjens4, (1) Duke University, Durham, NC, (2) National Research Council, Ottawa, ON, (3) University of Michigan, Ann Arbor, MI, (4) McGill University, Montreal, QC
PO-GeP-T-743Strontium Aluminate Phosphorescent Materials: Bright Idea for in Vivo Dosimetry
X Tang*, E Ehler, D Mathew, University of Minnesota, Minneapolis, MN
PO-GeP-T-747Study On the Verification of the Source Positioning and Dwell Time Based On the Well-Chamber
Qiang Zhao*, Xiangyang Wu
PO-GeP-T-751Synthesis and Dosimetric Study of the Nucleus-Targeted Pd-103/Au Nanoparticles for a Radionuclide Treatment Using TOPAS
J Lee1*, S Wong2, C Mccann3, C Kumaradas4, (1) Odette Cancer Centre, Sunnybrook Health Science Centre, Toronto, ON, CA, (2) University of Toronto, Toronto, ON, CA, (3) Sunnybrook Health Sciences Centre, Odette Cancer Centre, Department of Medical Physics, Toronto, ON, CA, (4) Ryerson University,
PO-GeP-T-755Temporal Variation of the Polymerization in X-Ray- and Proton-Irradiated Radiochromic Films
S Momin, A Darafsheh, R Khan*, Washington University School of Medicine, St. Louis, MO
PO-GeP-T-756Testing Code of Practice (IAEA-AAPM) of Small Field Dosimetry for Tomotherapy
R KINHIKAR, S Kaushik, C Tambe, S Kadam, S Kale, R Upreti, Tata Memorial Hospital, Mumbai, IN,
PO-GeP-T-767The Dosimetric Uncertainty of Assigning Wrong Material of Hip Prosthesis for RA Plan of Prostate with the Eclipse AcurosXb Algorithm
S Pokharel*, 21st Century Oncology, Naples, FL
PO-GeP-T-768The Effect of Mouse Size On Dose Delivered to Mouse-Like Phantoms From An X-Rad 320 Irradiator
J Stasko*, C Hammer, W Culberson, University of Wisconsin Madison, Madison, WI
PO-GeP-T-774The Impact of Jaw Positioning Errors for Dynamic Jaw Delivery in Tomotherapy
Z Hu*, K Zhang, K Men, J Dai, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital,Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, BeijingCN,
PO-GeP-T-776The Impact of Plan Feasibility Predictions On VMAT Treatment Planning
J Rembish*, C Kabat, E Jang, M Olivares, C Payne, C Rendon, N Kirby, S Stathakis, N Papanikolaou, P Myers, UT Health San Antonio, San Antonio, TX
PO-GeP-T-779The Impact of the Source-Imager-Distance On the Results of EPID-Based Patient-Specific QA
G Kuzmin*, P Xia, P Qi, The Cleveland Clinic Foundation, Cleveland, OH
PO-GeP-T-793Three-Dimensional Dose Verification Using a Stacked Radiochromic Film Dosimeter
K Liu*, Y Wang, O Dona, J Adamovics, C Wuu, Department of Radiation Oncology, Columbia University Irving Medical Center, New York, NY, USA, New York, NY
PO-GeP-T-810Treatment Planning System Transition: The Effects On Treatment Plan Quality
N Stathakis1*, W Jones1, E Maani1, P Mavroidis2, C Kabat1, (1) University Of Texas Health San Antonio,(2) Univ North Carolina, Chapel Hill, NC
PO-GeP-T-811Treatment Planning Verification of In-Vivo OSLD Phantom Measurements
A Bowers*, J Keller, Thomas Jefferson University, Philadelphia, PA
PO-GeP-T-819Update On a Dose Reconstruction Effort for a Large-Scale Retrospective Epidemiological Study of Late Health Effects Following Radiotherapy Within the National Wilms Tumor Study
M Mille1*, M Pauliah2, J Jung3, M Gopalakrishnan2, J Kalapurakal2, C Lee1, (1) National Cancer Institute, Rockville, MD, (2) Northwestern University, Chicago, IL, (3) East Carolina Univ, Greenville, NC
PO-GeP-T-834Utilizing the Bragg Peak for Proton Flash Radiation
M Kim*, K Shoniyozov, C Koumenis, J Metz, K Cengel, L Dong, E Diffenderfer, University of Pennsylvania, Philadelphia, PA
PO-GeP-T-837Validation of a Commercial Software Dose Calculation for Y-90 Microspheres
M Guerrero1*, M Lin2, W Yao1, B Yi1, S Becker1, J Molitoris1, A Kaiser1, (1) University of Maryland School of Medicine, Baltimore, MD, (2) The University of Texas Southwestern Medical Ctr, Dallas, TX
PO-GeP-T-845Validation of the Proton Pristine Bragg Peak in a Compact Synchrotron Treatment System
Y Xu*, H Kooy, N Depauw, J Shin, G Sharp, B Winey, K Jee, B Clasie, Massachusetts General Hospital, Harvard Medical School, Boston, MA
SU-A-TRACK 4-0Anatomical and Clinical Diagnostic Reference Levels; An Update
K Kanal1*, J Damilakis2*, V Tsapaki3*, (1) University Washington, Seattle, WA, (2) University of Crete, Crete, GR, (3) International Atomic Energy Agence, Vienna, Vienna, AT
SU-B-TRACK 1-6Cross-Platform App Facilitating Radiation Exposure Assessments in Epidemiological Studies
D Borrego*, C Lee, D Borrego, National Cancer Institute, Rockville, MD
SU-C-TRACK 1-2A Practical Model for Equilibrium Dose Measurement
K Grizzard*, D Vergara, J Moroz, M Hoerner, Yale New Haven Hospital and Yale University School of Medicine, Department of Radiology and Biomedical Imaging, New Haven, CT
SU-CD-TRACK 4-0The Era for Theranostics in Imaging and Therapy
M Graham1*, G Sgouros2*, M Natwa3*, (1) University of Iowa, Iowa City, IA, (2) Johns Hopkins Medical Institute, Baltimore, MD, (3) The Ohio State University, Columbus, OH
SU-D-TRACK 1-4Dosimetric Evaluation of Synthetic-CT Generated by Multi-Sequence MR Images for Head and Neck MR-Only Radiotherapy
M Qi1*, Y Li2, A Wu1, X Lu1, Y Liu1, L Zhou1, T Song1, (1) Southern Medical University, Guangzhou, Guangdong, CN, (2) Sun Yat-sen University Cancer Center, Guangzhou, Guangdong, CN
SU-F-TRACK 1-5Determination of in Vivo Tissue Optical Properties for Anal PDT
A Li*, Y Ong, T Busch, TC Zhu, University Pennsylvania, Philadelphia, PA
SU-F-TRACK 3-2Development of a Real-Time Deformable Dosimeter That Simultaneously Measures Dose and Tracks Deformation Vector Fields
E Cloutier12*, L Archambault12, L Beaulieu12, (1) Physics, engineering physics and optics department and Cancer research center, Universite Laval, Quebec, Canada , (2) CHU de Quebec Cancer research center, Universite Laval, Quebec, Canada
SU-F-TRACK 3-3Dosimetric Behaviour of Radiochromic Film as a Function of Monomer Crystal Structure
R Kaiyum1*, C Schruder1, O Mermut1, A Rink1,2, (1) York Univeristy, Toronto, ON, CA, (2) The Princess Margaret Cancer Centre, University Health Network, Toronto, ON, CA
SU-F-TRACK 3-5Evaluating the Accuracy of a Novel General Cavity Theory Formalism
M Efseaff12*, M MacPherson123, D La Russa123, (1) The Ottawa Hospital, Ottawa, ON, CA, (2) Carleton University, Ottawa, ON, CA, (3) University of Ottawa, Ottawa, ON, CA
SU-F-TRACK 3-7Verification of the Output Calibration of MR-Linac Beams Using Reference Alanine Dosimeters
M McEwen1*, V Malkov2, B Muir3, A Sarfehnia4, (1) National Research Council, Ottawa, ON, CA, (2) University Health Network, Toronto, ON, CA, (3) National Research Council, Ottawa, ON, (4) Sunnybrook Health Sciences Centre, Odette Cancer Centre, Department of Medical Physics, Toronto, ON, CA
SU-F-TRACK 3-8Towards High-Sensitivity Multi-Point Fiber Bragg Gratings Dosimeter for Radiotherapy
M Lebel-Cormier1,2,3*, T Boilard1,4, M Bernier1,4, L Beaulieu1,2,3, (1) Laval University, Quebec, QC,CA (2) Centre de recherche sur le cancer, Universite Laval, QC, CA, (3) CHU de Quebec - Laval University and CRCHU de Quebec, QC, CA, (4) Center for Optics, Photonics, and Lasers (COPL), QC, CA
TH-A-TRACK 5-2Dosimetry of Ultra-Short High Dose-Per-Pulse Very High Energy Electron Beams
M McManus1, 2*, F Romano3, 1, N Lee1, F Wilfrid4, 6, G Antonio4, Gary Royle2, H Palmans5, 1, A Subiel1, (1) National Physical Laboratory, London, GB ,, (2) University College London, London, GB ,,(3) Istituto Nazionale di Fisica Nucleare, Sezione di Catania, Catania, IT ,,(4) Cern, Geneva, CH ,, (5) MedAustron, Wiener Neustadt, AT ,, (6) CEA-Saclay, IRFU, FR
TH-B-TRACK 3-2Effect of Photon Incidence Angle On the Accuracy of the Dose Point Kernel Method for Calculation of Gold Nanoparticle-Mediated Intracellular Dose Enhancement
S Jayarathna*, H Moktan, S H Cho, The University of Texas MD Anderson Cancer Center, Houston, TX
TH-B-TRACK 3-6The Dosimetric Impact of Deformable Registration On Multi-Timepoint Internal Dosimetry Studies
I Marsh*, J Grudzinski, B Bednarz, University of Wisconsin, Madison, WI
TU-B-TRACK 1-6Multiscale Monte Carlo Simulations for Advanced X-Ray Breast Imaging: Dosimetric Studies
R Trevisan Massera1,2*, A Tomal1, R Thomson2, (1) University of Campinas, BR,(2) Carleton Univ, Ottawa, ON
TU-C-TRACK 3-1A Novel Minimally Invasive Dynamic Shield System for Cervix Brachytherapy
M Morcos1,2*, A Viswanathan2, S Abbasinejad Enger1,3,4, (1) Medical Physics Unit, McGill University, Montreal, QC, CA, (2) Johns Hopkins University, Baltimore, MD, (3) Department of Oncology, McGill University, Montreal, QC, CA, (4) Research Institute of the McGill University Health Centre, Montreal, QC, CA
TU-EF-TRACK 2-15Investigation of Monaco Surface Dose Calculations Using Film Dosimetry
V Malkov*, K McPhee, T Craig, The Princess Margaret Cancer Centre, Toronto, ON, Canada
WE-A-TRACK 3-1A New Method for Rapid Reconstruction of Patient Neutron Dose in Pencil Beam Scanning Proton Treatment
Y Yeom1*, K Griffin1, M Mille1, J Jung2, C Lee3, C Lee1, (1) National Cancer Institute, Rockville, MD, (2) East Carolina Univ, Greenville, NC, (3) University of Michigan, Ann Arbor, MI
WE-A-TRACK 3-7Quantitative Proton Radiation Therapy Dosimetry Using the Storage Phosphor Europium Doped Potassium Chloride
J Setianegara*, T Mazur, B Maraghechi, A Darafsheh, D Yang, T Zhao, H Li, Washington University School of Medicine, St. Louis, MO
WE-B-TRACK 3-1Towards a Helium Ion-Beam Therapy Program in 2020: Physical, Biological and Clinical Considerations
J Besuglow1,2,3,4,5*, S Mein1,2,3,4, B Kopp1,2,3,4,5, S Brons6, B Ackermann6, J Naumann6, A Abdollahi1,2,3,4, T Haberer6, J Debus3,4,5,6,7,8, A Mairani6,9, (1) Clinical Cooperation Unit Translational Radiation Oncology, National Center for Tumor Diseases, Heidelberg University Hospital and German Cancer Research Center, Heidelberg, DE (2) Division of Molecular and Translational Radiation Oncology, Department of Radiation Oncology, Heidelberg Faculty of Medicine and Heidelberg University Hospital, Heidelberg Ion-Beam Therapy Center, Heidelberg, DE (3) German Cancer Consortium Core-Center Heidelberg, German Cancer Research Center, Heidelberg, DE (4) Heidelberg Institute of Radiation Oncology, National Center for Radiation Oncology, Heidelberg University and German Cancer Research Center, Heidelberg, DE (5) Department of Physics and Astronomy, Heidelberg University, Heidelberg, DE (6) Heidelberg Ion-Beam Therapy Center at the Heidelberg University Hospital , Heidelberg, DE (7) Clinical Cooperation Unit Radiation Oncology, Heidelberg Institute of Radiation Oncology, National Center for Radiation Oncology, Heidelberg University and German Cancer Research Center, Heidelberg, DE (8) National Center for Tumor diseases, Heidelberg, DE (9) National Centre of Oncological Hadrontherapy, Medical Physics, Pavia, IT
WE-B-TRACK 3-2A Simple Approach for Experimental Characterization of LET Spectra and Dose Profiles of Clinical Proton Beams
J Gajewski1, J Baran2, C Granja3, C Oancea4, M Pawlik-Niedzwiecka5, M Rydygier6, A Schiavi7, P Stasica8, A Rucinski9*, (1) Institute of Nuclear Physics PAN, Krakow,PL, (2) Institute of Nuclear Physics PAN, Krakow,PL, (3) ADVACAM, Prague,CZ, (4) ADVACAM, Prague,CZ, (5) Institute of Nuclear Physics PAN, Krakow,PL, (6) Institute of Nuclear Physics PAN, Krakow,PL, (7) Sapienza University of Rome, Rome,IT, (8) Institute of Nuclear Physics PAN, Krakow,PL, (9) Institute of Nuclear Physics PAN, Krakow,PL
WE-B-TRACK 3-5Dose-Linear Energy Transfer (LET) Volume Histogram (DLVH) for Adverse Events in Prostate Cancer Patients Treated by Intensity-Modulated Proton Therapy (IMPT)
Y Yang*, C Vargas, R Bhangoo, W Wong, S Schild, T Daniels, S Keole, J Rwigema, J Shen, M Fatyga, W Liu, Mayo Clinic Arizona, Phoenix, AZ
WE-D-TRACK 1-2Planning Dosimetry for 90Y Therapy: Evaluating the Predictive Power of 99mTc-MAA and the Partition Model
M. Allan Thomas1*, Armeen Mahvash2, Mohamed Abdelsalam2, Ahmed Kaseb2, S. Cheenu Kappadath1, (1) Department of Imaging Physics, UT MD Anderson Cancer Center, Houston, TX, (2) Department of Interventional Radiology, UT MD Anderson Cancer Center, Houston, TX
WE-D-TRACK 1-318F-FDG Labelling in Cell-Tracking PET Studies: Calculation of the Precise Absorbed Dose Deposited to Cell Nucleus and Correlation to in Vitro Biological Effects
M Jacquemin1*, C Truillet2, D Broggio1, D Franck1, JM Bertho3, A Desbree1, (1) Institut for Radioprotection and Nuclear Safety, Paris, FR, (2) Alternative Energies and Atomic Energy Commission, Orsay, FR, (3) French Nuclear Safety, Montrouge, FR
WE-D-TRACK 1-4Comparison of Bone Lesion Dosimetry Based On Voxel S-Values and Monte Carlo Simulation for Lu-177-PSMA-Therapy of MCRPC Patients with Pronounced Bone Metastases
J Brosch1*, C Uribe2, A Gosewisch3, L Kaiser4, P Bartenstein5, A Rahmim6, A Celler6, S Ziegler8, G Boening9, (1) Ludwig-Maximilians-Universitat, Munich, ,DE, (2) BC Cancer, ,,CA, (3) Ludwig-Maximilians-Universitat, Munich, ,(4) Ludwig-Maximilians-Universitat, Munich, ,(5) Ludwig-Maximilians-Universitat, Munich, ,(6) University of British Columbia, Vancouver, BC, CA, (7) Ludwig-Maximilians-Universitat, Munich, ,DE, (8) Ludwig-Maximilians-Universitat, Munich, ,DE
WE-D-TRACK 3-7Should We Use Peak Dose for Treatment Prescription in Spatially Fractionated Radiation Therapy (SFRT)?- a Preclinical Study
J Rivera1*, T Kierski1, S Kasoji2, A Abrantes3, P Dayton1, S Chang4, (1) Joint Department Of Biomedical Engineering, University of North Carolina- Chapel Hill and NC State University, Chapel Hill, North Carolina (NC), (2) Triangle Biotechnology, Inc., Durham, North Carolina (NC), (3) Department Of Biostatistics, University of North Carolina- Chapel Hill, Chapel Hill, North Carolina (NC), (4) Department of Radiation Oncology, University of North Carolina- Chapel Hill, Chapel Hill, North Carolina (NC)