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Keywords: dose
BReP-SNAP-I-23Impact of a High Power Tube On Optimal KVp Selection in Function of Patient Size
G Van Gompel*, N Buls, H Nieboer, J De Mey, Universitair Ziekenhuis Brussel, Brussels, Belgium, BE
BReP-SNAP-M-13D Dose Predictions and Plan Quality Assessment in MRI Guided Online Plan Adaptation Using Artificial Neural Network (ANN) Models
D Yang*, A Thomas, Y Fu, H Gach, H Li, Washington University in St. Louis, St. Louis, MO
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-55Detecting Pathological Complete Response in Esophageal Cancer After Neoadjuvant Therapy Based On Survival-Weighted Deep Learning: A Pilot Study
S Cheng1*, W Yap2, E Tu3, (1) Taiwan AI Labs, ,,(2) Chang Gung Memorial Hospital, ,,(3) Taiwan Ai Labs,
BReP-SNAP-M-70ExacTrac Imaging Dose for Real Time Tumour Monitoring of Lung SBRT Patients Using Monte Carlo Simulation
A Spurway1*, M Sattarivand2, (1) Nova Scotia Health Authority, Halifax, NS, CA, (2) Nova Scotia Cancer Centre, Halifax, NS, CA
BReP-SNAP-M-84Image Processing System by Super-Resolution Using Deep Learning Leading to Exposure Dose Reduction
H Miyauchi1,2*, Y Tanaka1, K Takahashi1, M Nakano2, T Hasegawa3, M Hashimoto3, (1) Kitasato University Graduate School of Medical Sciences, Sagamihara, Kanagawa, JP, (2) Cancer Institute Hospital of JFCR, Koto-ku, Tokyo, JP, (3) Faculty of Allied Health Sciences, Kitasato university, Sagamihara, Kanagawa, JP
BReP-SNAP-M-90Incorporating Explicit Dose-Volume Constraints in Deep Learning Improves Prediction of Deliverable Dose Distributions for Prostate VMAT Planning
S Willems1*, L Vandewinckele1, E Sterpin2, K Haustermans3, W Crijns3, F Maes1, (1) KU Leuven, BE (2) KU Leuven/UC Louvain, BE (3) KU Leuven/UZ Leuven, BE
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-102Moving From Geometric-Based to Risk-Based Adaptive Re-Planning in Head and Neck Radiotherapy
K Brock1*, S Gryshkevych2, B Rigaud1, A Ohrt1, S Svensson2, C Fuller1, (1) UT MD Anderson Cancer Center, Houston, TX, (2) RaySearch Laboratories AB, Stockholm,SE
BReP-SNAP-M-103MR Guided Adaptive Radiotherapy Improves Target Coverage and OAR Sparing: Dosimetric Analysis of 1185 Adaptive Fractions and 4 Years Experience
D Yang*, H Kim, O Green, B Cai, L Henke, J Cammin, B Gu, H Li, H Gach, Washington University School of Medicine, St. Louis, MO
BReP-SNAP-M-115Prediction of Radiation Pneumonitis After Lung Stereotactic Body Radiation Therapy Using Dosiomics Features: A Retrospective Multi-Institutional Study
T Adachi1,2*, M Nakamura1,2, T Shintani2, T Mitsuyoshi2,3, R Kakino1,2, T Ogata3, H Tanabe3, T Ono2, H Hirashima2, T Sakamoto4, M Kokubo3, Y Matsuo2, T Mizowaki2, (1) Department of Information Technology and Medical Engineering, Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan, (2) Department of Radiation Oncology and Image-Applied Therapy, Graduate School of Medicine, Kyoto University, Kyoto, Japan, (3) Department of Radiation Oncology, Kobe City Medical Center General Hospital, Hyogo, Japan(4) Department of Radiation Oncology, Kyoto Katsura Hospital, Kyoto, Japan
BReP-SNAP-T-20Acceleration of Monte Carlo Radiation Dose Simulations Using Deep Learning: Proof of Principles for CT and Radiotherapy Dosimetry
Z Peng1*, H Shan2, T Liu3, X Pei4, Z Jieping5, G Wang6, X Xu7, (1) University of Science and Technology of China, Hefei, (2) Rensselaer Polytechnic Institute, Troy, NY, (3) Massachusetts General Hospital, Boston, Ma, (4) University of Science and Technology of China, Hefei, (5) The First Affiliated Hospital, University of Science and Technology of China, Hefei, (6) Rensselaer Polytechnic Institute, Troy, NY, (7) Rensselaer Polytechnic Institute, Troy, NY
BReP-SNAP-T-21Accuracy of Dose-Volume Metric Calculation for Small Volume Radiosurgery Targets
D Stanley1*, H Liu2, D Bridges1, E Thomas1, R Cardan1,J Fiveash1, R Popple1, (1) The University of Alabama at Birmingham, Birmingham, AL, (2) Thomas Jefferson University, Philadelphia, PA
BReP-SNAP-T-29Beam Modeling for a Novel Convergent X-Ray Treatment Machine
D Mirkovic*, D Bartkosk, R Tailor, J Moradi Kurdestany, M Salehpour, UT MD Anderson Cancer Center, Houston, TX
BReP-SNAP-T-31Challenges in Implementation of MPGG5.a. for Non-Standard Delivery Systems
J Smilowitz*, P Hill, P Yadav, J Bayouth, University of Wisconsin, Madison, WI
BReP-SNAP-T-53Efficient Hybrid Scatter Solution for Deterministic MRIgRT Dose Calculations
R Yang1*, D Santos1, B Fallone1, J St-Aubin2, (1) Cross Cancer Institute, Edmonton, AB, Canada, (2) University of Iowa, Iowa City, IA
BReP-SNAP-T-78Impact of Enhanced CT-Based Heart Model On Estimating Radiation Therapy Related Late-Onset Cardiac Disease in the Childhood Cancer Survivor Study
S Shrestha1, 2*, Q Liu3, J Bates4, Y Yasui5, A Gupta1, 2, C Owens1, 2, S Smith1, R Weathers1, C Lee6, B Hoppe7, W Leisenring8, K Oeffinger9, L Constine10, D Mulrooney5, G Armstrong5, R Howell1, 2, (1) MD Anderson Cancer Center, TX (2) UTHealth Graduate School of Biomedical Sciences, TX (3) University Of Alberta, Canada (4) University Of Florida, FL (5) St. Jude Children's Research Hospital, TN (6) National Cancer Institute, MD (7) Mayo Clinic, FL (8) Fred Hutchinson Cancer Research Center, WA (9) Duke University, NC (10) University of Rochester Medical Center, NY
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-108ORBIT-RT: A Real-Time, Open Platform for Knowledge-Based Quality Control of Radiotherapy Treatment Planning
B Covele*, K Puri, K Kallis, K Moore, UC San Diego, La Jolla, CA
BReP-SNAP-T-129Three Dimensional Dose Prediction in Proton Therapy Using Artificial Neural Networks
F Pirlepesov*, V Moskvin, L Wilson, A Breuer, T Merchant, A Faught, St. Jude Children's Research Hospital, Memphis, TN
BReP-SNAP-T-138Using Deep Learning to Predict Beam-Tunable Pareto Optimal Dose Distribution for Intensity Modulated Radiation Therapy
G Bohara*, A Sadeghnejad Barkousaraie, S Jiang, D Nguyen, UT Southwestern Medical Center, Dallas, TX
BReP-SNAP-T-139Validation of Mechanical Accuracy and Impact On Dose Sensitivity for a Proton Dynamic Collimation System
T Geoghegan1*, N Nelson2, K Patwardhan1, R Flynn1, P Hill2, D Hyer1, (1) University of Iowa Hospitals and Clinics, Iowa City, IA, (2) University of Wisconsin - Madison, Madison, WI,
MO-E-TRACK 2-5Prescribing Image Noise Using Dynamic Fluence Field Optimization: Experimental Results Using a Pre-Clinical Proton CT Scanner
J Dickmann*1, C Sarosiek2, V Rykalin3,4, M Pankuch3, S Rit5, N Detrich3,6, G Coutrakon2, RP Johnson7, RW Schulte8, K Parodi1, G Landry9,10,1, G. Dedes1, (1) Ludwig-Maximilians-Universitaet Muenchen, Munich, Germany, (2) Northern Illinois University, DeKalb, IL, (3) Northwestern Medicine Chicago Proton Center, Warrenville, IL, (4) ProtonVDA Inc., Naperville, IL, (5) Universite de Lyon, Lyon, France, (6) IBA Group, Louvain-La-Neuve, Belgium, (7) U.C. Santa Cruz, Santa Cruz, CA, (8) Loma Linda University, Loma Linda, CA, (9) University Hospital, LMU Munich, Munich, Germany, (10) German Cancer Consortium (DKTK), Munich, Germany
MO-EF-TRACK 3-4ROAD: ROtational Direct Aperture Optimization with a Decoupled Ring-Collimator for FLASH
Q Lyu1*, R Neph1, D O'Connor2, D Ruan1, S Boucher3, K Sheng1, (1) UCLA School of Medicine, Los Angeles, CA, (2) University of San Francisco, San Francisco, CA, (3) Radiabeam Technologies, Santa Monica, CA
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 3-10DeepMCDose: Variance-Reduced Monte Carlo Beamlet Dose Prediction for Accelerated Online-Adaptive MRI-Guided Treatment Planning
R Neph*, Q Lyu, Y Huang, Y Yang, K Sheng, UCLA School of Medicine, Los Angeles, CA
PO-GeP-I-8A Five Year Review of Established Local DRLs for Adult CT Examinations in Nova Scotia
S Schofield1, E Tonkopi1,2*, (1) Nova Scotia Health Authority, Halifax, NS, CA, (2) Dalhousie University, Halifax, NS, CA
PO-GeP-I-30An Approach for Evaluating Image Registration and Dose Accumulation Errors Based On Dose Gradient
X Wu*, J Ippolito, P Grigsby, H Gach, J Williamson, D Yang, Washington University in St. Louis, St. Louis, MO
PO-GeP-I-51Clinical Decision Making in CT: Risk Assessment Comparison Across 12 Risk Metrics in Patient Populations
F Ria*, W Fu, J Hoye, P Segars, A Kapadia, E Samei, RAI Labs, Duke University Health System, Durham, NC
PO-GeP-I-54Clinical Impact Study of a New High Resolution Fluoroscopic Imager: Analysis of 400,000 Irradiation Events
A Kuhls-Gilcrist*, M Hohn, N Xenos, D Marek, Y Hoi, Canon Medical Systems USA, Tustin, CA
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-99Effect of Contrast Agent Administration On Water Equivalent Diameter in CT
B Viggiano*, T Szczykutowicz, University Wisconsin-Madison, Madison, WI
PO-GeP-I-104Establishing Diagnostic Radiation Dose Levels in Pediatric Osseous Survey Studies in Mississippi
H Khosravi*, J Storrs, A Fatemi, University of Mississippi Medical Center, Jackson, MS
PO-GeP-I-106Estimation of 3D Imaging Dose for KV-MV-STR CBCT
M Shi1,2*, M Jacobson2, M Myronakis2, D Ferguson2, M Lehmann3, P Baturin4, T Harris2, P Huber3, R Fueglistaller3, I Valencia Lozano2, C Williams2, D Morf3, R Berbeco2, (1) University of Massachusetts Lowell, Lowell, MA, (2) Brigham and Women's Hospital & Dana Farber Cancer Institute & Harvard Medical School, Boston, MA, (3) Varian Medical Systems, Baden, Switzerland, (4) Varian Medical Systems, Palo Alto, CA
PO-GeP-I-146Linear Regression for Modeling Common Fluoroscopy Dose Metrics in Cardiac Catheterization Procedures
S Mann*, Z Wegermann, M Russ, T Wei, WS Jones, Duke University Medical Center, Durham, NC,
PO-GeP-I-161Optimization of [18F]FDG Injected Activity for a New GE Discovery MI PET/CT Scanner Using a NEMA Phantom
A Hart1*, T O'Briain1, M Bazalova-Carter1, A Rahmim2,3, W Beckham1,3, C Uribe-munoz4, (1) University of Victoria, Victoria, BC, CA, (2) University of British Columbia, Vancouver, BC, CA, (3) BC Cancer, Victoria, BC, (4) BC Cancer, Vancouver, BC, CA
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-I-233Variations in Image Artifacts at Ultra-Low Radiation Dose Levels Due to Differences in Scanner Make and Model: Implications for CT Screening Applications
J Browne, M Bruesewitz, Z Long*, T Vrieze, C McCollough, L Yu, Mayo Clinic, Rochester, MN
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-29A Novel Methodology for Deriving Set-Up Margins Using Dose Accumulation and Bidirectional Local Distance
A Frederick1,2*, S Quirk1,2, S Weppler1,2, M Roumeliotis1,2, (1) University of Calgary, Calgary, AB, CA, (2) Tom Baker Cancer Centre, Calgary, AB, CA
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-106Comparing Delivered Dose Estimations with and Without Dose Recalculation for Head-And-Neck Adaptive Radiotherapy
Y Hu*, M Aristophanous, L Cervino, A Caringi, N Allgood, M Hunt, Memorial Sloan Kettering Cancer Center, New York, NY
PO-GeP-M-123Convolutional Neural Network Learning From RT Dose Distribution and Images Improves Predicting Locoregional Recurrence for Head and Neck Cancer
A Wu1*, Y Li2, M Qi1, 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
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-159Direct Dose Calculation On CBCTs for Various Treatment Sites in Adaptive Radiotherapy
C Wessels*, S Scheib, Varian Medical System, Daettwil, AGCH,
PO-GeP-M-164Dose Deformation for Adaptive Planning Using Varian's SmartAdapt
J Vickress1,2*, A Rangel1, H Afsharpour1,2, (1) Trillium Health Partners/the Credit Valley Hospital, Mississauga, ON, CA (2) University of Toronto, Department of Radiation Oncology, Toronto, ON, CA
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-176Dosimetric Results for Magnetic Resonance Guided Radiotherapy Using Hybrid Magnetic Resonance/Computed Tomography Compatible Phantom
M Kim1,2*, S Lee2, B Choe2, T Suh2, (1) Department of Radiation Oncology, Yonsei Cancer Center, Yonsei University College of Medicine, Yonsei University Health System, Seoul, KR, (2) Department of Biomedical Engineering, Research Institute of Biomedical Engineering, The Catholic University of Korea College of Medicine, Seoul, KR
PO-GeP-M-202Evaluation of Machine Learning Algorithms for Treatment Planning Parameter Calculation
J Chow1*, R Jiang2, F Ng3, (1) Princess Margaret Cancer Centre, Toronto, ON, CA, (2) Grand River Hospital, Kitchener, ON, CA, (3) Ryerson University, Toronto, ON, CA
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-323Partial Volume Correction (PVC) in Quantitative 18F-FDG PET/CT Imaging On Intratumoral Dose Response Assessment
S Chen*, S Chang, D Krauss, D Yan, William Beaumont Hospital, Royal Oak, MI
PO-GeP-M-352Quantifying the Effects of Radiation Therapy Fractionation Scheme On Dose Response Modeling
E.M. Wallat1*, A.E. Wuschner1, M.J. Flakus1, W. Shao2, J.M. Reinhardt2, G.E. Christensen2, J.E. Bayouth1, (1)University of Wisconsin-Madison, Madison, WI (2) University of Iowa, Iowa City, IA
PO-GeP-M-367Region Specific Dose Prediction Using Deep Neural Networks: A Feasibility Study On the Planning Target Volume of Prostate IMRT Patients
D Nguyen*, S Jiang, Medical Artificial Intelligence and Automation (MAIA)Laboratory, UT Southwestern Medical Center, Dallas, TX
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-388Study On Intelligent Treatment Planning for Left Breast Cancer
X He*1, B Su2, R Zhao2, (1)Ruijin Hospital and Shanghai Jiaotong University School of Medicine,Shanghai,CN (2) Shanghai Pulmonary Hospital and Tongji University School of Medicine,Shanghai,CN
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-408Towards Safer Artificial Intelligence-Based Radiation Therapy Treatment Planning: Adding Uncertainty Estimation to Volumetric Dose Prediction Using An Approximate Bayesian Method On Deep Neural Networks
D Nguyen*, A Balagopal, A Sadeghnejad Barkousaraie, R McBeth, S Jiang, Medical Artificial Intelligence and Automation (MAIA) Laboratory, UT Southwestern Medical Center, Dallas, TX
PO-GeP-P-32Evaluation of Spatial Resolution in Fluoroscopic Imaging Compared to Digital Subtraction Angiography
D Ragan1*, T Maguire1, S Schafer2, S Tutton1, S White1, A Gorman3, Y Lu1, Y Liu1, (1) Medical College of Wisconsin, Milwaukee, WI, (2) SIEMENS Medical Systems, Madison, WI, (3) Froedtert Health, Milwaukee, Wi
PO-GeP-P-71A New Treatment Planning Technique Combining Stereotactic Radiosurgery (SRS), and Fractioned Stereotactic Radiosurgery (FSRS) Treatment Plans, to Minimize Undesirable Dose Contributions When Treating Multiple Brain Metastases (MBM) Using Brainlab Elements
X Liu*, J Vinci, O Bhattasali, M Girvigian, K Lodin, R Boone, J Rahimian, Department of Radiation Oncology, Kaiser Permanente, Los Angeles Medical Center, CA
PO-GeP-T-21A Dosimetric Comparison of TBI with a Dedicated Co-60 Irradiator to Tomotherapy-Based TBI and TMLI
S Ahmed1*, M Dominello1,2, A Hammoud2, A Nalichowski1,2, J Burmeister1,2, (1) Wayne State University School of Medicine, Detroit, MI, (2) Karmanos Cancer Institute, Gershenson ROC, Detroit, MI
PO-GeP-T-33A Monte Carlo Investigation of Dose Reporting Issue in the Presence of High Hounsfield-Unit Material in Clinical AAA Dose Calculation Algorithm
X Chen1*, J Fan2, I Veltchev1, J Li3, J Liu1, C Ma1, (1) Fox Chase Cancer Center, Philadelphia, PA, (2) Inova Health System, Fairfax, VA, (3) OUR United RT Group, Xian, China
PO-GeP-T-122Assessing the Importance of Oral Cavity Dosimetry On Patient Reported Xerostomia and Dysgeusia in Patients Receiving De-Intensified Treatment for Oropharynx Cancer
D Fried*, A Fuquay, S Das, B Chera, C Shen, K Pearlstein, Univ North Carolina, Chapel Hill, NC
PO-GeP-T-153Benchmarking DVH Prediction Uncertainty Between Different Knowledge-Based Models
B Covele*, K Moore, UC San Diego, La Jolla, CA
PO-GeP-T-157Bolusing Effect of Fiberglass Casting Material for 6MV Photon Beam Treatments Measured with Parallel Plate and Gafchhomic Film
B Hasson*, T Li, C Geraghty, J Carroll, Anne Arundel Medical Center, Annapolis, MD
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-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-252Custom Bolus Fabrication Process Improvement with Thermoplastic and CNC Machined Molds
M Lafreniere*, A Villa, E Hirata, M Sharma, K Hasse, E Lam, M Descovich, University of California San Francisco, San Francisco, CA
PO-GeP-T-271Determination of Acceptable Air Gap Differences From the Treatment Plan for the Mevion S250i Hyperscan System
M Newpower*, Z Richards, S Ahmad, H Jin, Oklahoma Univ. Health Science Ctr., Oklahoma City, OK
PO-GeP-T-282Development and Verification of Mailed Audit Alanine Dosimeters for Radiotherapy in China
K Wang, S Jin*, J Zhang,
PO-GeP-T-305Did Proton High Linear-Energy Transfer (LET) Cause the Strange Smell During Cranial-Spinal Irradiation?
Z Su*, W Hsi, M Artz, D Indelicato, Radiation Oncology, University of Florida, Gainesville, FL and University Florida Health Proton Radiotherapy Institute, Jacksonville, FL,
PO-GeP-T-321Dosimetric Assessment of Transparent Polymer-Gel Type Bolus for Commonly Used Breast Treatment Delivery Techniques
D Fiedler*, S Hoffman, J Roeske, H Kang, Loyola Univ Medical Center, Maywood, IL
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-342Dosimetric Evaluation of Jaw Tracking Technique for Multiple Off-Axis Targets
J Yoon*, University of Rochester, Rochester, NY
PO-GeP-T-343Dosimetric Evaluation of Whole Pelvis Radiation Therapy of Prostate Cancer
H Mansoor*, E Osei, J Darko, Grand River Hospital, Kitchener, ON,CA.
PO-GeP-T-386Escalating Stereotactic Body Radiotherapy (SBRT) Dose in the Treatment of Large (> 5 Cm) Lung Tumors Via a Novel Dynamic Conformal Arc (DCA)-Based SIB-VMAT
D Pokhrel*, L Critchfield, M Bernard, M Randall, R McGarry, University of Kentucky, Lexington, KY
PO-GeP-T-429Evaluation of Prescription Dose Using Follow-Up Images of Head and Neck IMRT
M YAMASHITA1,2*, M Kokubo1, H Tanabe1, M Sueoka1, H Mizuno2, M Koizumi2, (1) Kobe City Medical Center General Hospital, Kobe, ,JP, (2) Osaka University Graduate School of Medicine , Suita, JP
PO-GeP-T-465FLASH: Flash Leverages A Sudden Hypoxia
F Van den Heuvel*, A Vella, K Petersson, M Brooke, M Hill, B Vojnovic, A Giaccia, CRUK/MRC Oxford Institute for Radiation Oncology, University of Oxford, Oxford
PO-GeP-T-476Half-Beam Volumetric Modulated Arc Therapy in the Re-Treatment Scenario
G Luciani*, S Davis, N Kalman, R Tolakanahalli, Miami Cancer Institute, Miami, FL
PO-GeP-T-522Integrating Knowledge-Based Models for An Enhanced Iterative Automated Treatment Planning Process
M Vaccarelli1,2*, J Baker3, (1) Hofstra University, Hempstead, NY, (2) Northwell Health, Lake Success, NY, (3) Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY
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-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-534Investigating the Impact of Inter-Fractional Variations to the Delivered Dose to Esophagus During VMAT for Lung Cancer Using CBCT-Based Deformable Image Registration
P Mavroidis1*, C Trustram Eve1, A Walters1, A Weiner1, S Stathakis2, J Hammers1, S Das1, K Wang1, (1) Univ North Carolina, Chapel Hill, NC, (2) Mays Cancer Center - MD Anderson Cancer Center, San Antonio, TX
PO-GeP-T-571Manipulating Gamma Knife Collimator Size in Treatment Planning to Improve Plan Quality
CJ Tien, JE Bond*, N Nguyen, Z Chen, Yale Univ. School of Medicine & YNHH, New Haven, CT
PO-GeP-T-591Monte Carlo Method Combined with Deep Learning for Predictive Denoising and Accelerating the Simulation of Radiotherapy
C Guo*, J Dai, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences, Beijing, BeijingCN,
PO-GeP-T-600Multi-Source Conformal Superficial Brachytherapy: A Dose Escalation Study
B Rogers1*, J Lawrence2, C Ferreira3, (1) University of Minnesota - Twin Cities, Minneapolis, MN, (2) University of Minnesota, Saint Paul, MN, (3) University of Minnesota, Minneapolis, MN
PO-GeP-T-658Preliminary Study for Super-Resolution of Dose Calculation Grid Size Using a Deep Learning in VMAT Prostate Plan
D Shin1*, K Kim1, S Kang1, S Kang2, T Kim3, J Chung2, T Suh1, (1) The Catholic University of Korea, Seoul, KR, (2) Seoul National University Bundang Hospital, Seongnam, 41, KR, (3) Proton Therapy Center, National Cancer Center, Goyang-si, Gyeonggi-do, KR
PO-GeP-T-665Proton Spot Dose Perturbation by Common Dental Materials
Y Hu*, L Wu, D Mundy, Mayo Clinic, Rochester, MN
PO-GeP-T-675Quantification of the Correlation Between Outcome with Dose Computed Using Rigid and Deformable Registration
H Sharifi*, A Ghanem, Q Wu, I J Chetty, Henry Ford Health System, Detroit, MI
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-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-707Retrospective Dosimetric Study of a Novel Automation Software for Whole Brain Planning Field-In-Field Treatment Plans
C Esquivel*, A Tipton, L Patton, D Baldassari, B Lin, Texas Oncology San Antonio, San Antonio, TX
PO-GeP-T-723Simulation-Based Assessment of Dosimetric Uncertainty Due to Catheter Reconstruction Error in TRUS-Guided Prostate HDR Brachytherapy
K Dekker, C Joshi, A Kerr*, Cancer Centre of Southeastern Ontario - Kingston General Hospital, Kingston, ONCA,
PO-GeP-T-728SLD Repair Impact On Treatment Effectiveness of Proton Therapy with Various Cell Specific Parameters
K Kasamatsu1*, T Matsuura2,3,4, S Tanaka2,4, K Umegaki2,3,4, (1) Hokkaido University Graduate school of Biomedical Science and Engineering, Sapporo, JP, (2) Hokkaido Universty Faculty of Engineering, Sapporo, Hokkaido, JP, (3) Hokkaido University Global Station for Quantum Medical Science and Engineering, Global Institution for Collaborative Research and Education (GI-CoRE), Sapporo, Hokkaido, JP, (4) Hokkaido University Hospital Proton Beam Therapy Center, Sapporo, Hokkaido, JP
PO-GeP-T-733Sparing Submandibular Gland Following Gland Transfer in Head and Neck Cancer Patients: Effect of Day-To-Day Setup Uncertainty
V Moiseenko1*, T Atwood2, C Coffey3, P Hua4, M Cornell5, P Sanghvi6, (1) UC San Diego, La Jolla, CA, (2) University of California San Diego, La Jolla, CA, (3) University Of California, San Diego, ,,(4) University Of California, San Diego, ,,(5) UC San Diego, San Diego, CA, (6) University Of California, San Diego,
PO-GeP-T-736Standardization of CSI Treatment Planning and Its Evaluation Using a DVH Registry
E Sepulveda, MSc*, H Patrick, MSc, J Kildea, PhD, McGill University, Montreal, QCCA,
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-750Surface Dose Evaluation with the Use of EBT3 Gafchromic Films Placed in a Water Phantom Surface in the Presence of Strong Magnetic Field
A Episkopakis*, N Marinos, X Gonzalez Souto,Elekta, Inc., Atlanta, GA , J Arts
PO-GeP-T-772The Impact of Envelope Smoothing On Photon and Electron Beam Profile Characteristics
K Jiang*, M MacFarlane, M Guerrero, S Becker, S Chen, S Lee, Department of Radiation Oncology, University of Maryland, Baltimore, MD
PO-GeP-T-780The Importance of Monte Carlo (Geant4) Physics Settings for Clinical Proton Therapy Treatment Plans
C Winterhalter1,2*, M Taylor1,2, D Boersma3,4, A Elia4, S Guatelli5, R Mackay1,2, K Kirkby1,2, L Maigne6, V Ivanchenko7,8, A Resch9, D Sarrut10, P Sitch2, M Vidal11, L Grevillot4, A Aitkenhead1,2, (1) Division of Cancer Sciences, University of Manchester, Manchester, UK, (2) The Christie NHS Foundation Trust, Manchester, UK, (3) ACMIT Gmbh, Wiener Neustadt, Austria, (4) EBG MedAustron GmbH, Wiener Neustadt, Austria, (5) Centre For Medical Radiation Physics, University of Wollongong, Australia, (6) Laboratoire de Physique de Clermont, Campus Universitaire des Cezeaux, Aubiere Cedex, France, (7) CERN, Geneva, Switzerland, (8) Tomsk State University, Russia, (9) Medical University of Vienna, Department of Radiation Oncology and Christian Doppler Laboratory for Medical Radiation Research for Radiation Oncology, Vienna, Austria, (10) Universite de Lyon, CREATIS, CNRS UMR5220, Inserm U1044, INSA-Lyon, Centre Leon Berard, France, (11) Centre Antoine Lacassagne, Universite Cote dAzur Federation Claude Lalanne, Nice, France
PO-GeP-T-787The Research of Automatic Treatment Planning by DVH Prediction Based On Classifying the OARs Overlap
X Pan1,2*, D Wang1,3,4, J Jia1,3,4, L Hu1, FDS Team (1) Institute Of Nuclear Energy Safety Technology, Chinese Academy Of Sciences, CN (2) University of Science and Technology of China, Hefei Anhui, CN, (3) Anhui Engineering Technology Research Center of Accurate Radiotherapy, Hefei Anhui, CN (4) CAS SuperAccuracy Science & Technology Co., Ltd., Nanjing, Jiangsu, CN
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-818Understanding Variations in Dose Fall-Off for Low Energy Electrons Vs. Mid and High Energies in Presence of Different Cutouts at Different SSDs
E Salari*, E Parsai, D Shvydka, University of Toledo Medical Center, Toledo, OH
PO-GeP-T-825Use of VirtuaLinac to Perform Monte-Carlo Based Dose Calculation for Verification of Radiotherapy Treatments On a Jawless Ring Gantry Linac with Double Stack MLC
A Sethi1*, Z Ji1, R Liu1, E Laugeman1, D Sawkey2, T Zhao1, S Mutic1, G Hugo1, B Cai1, (1) Washington University School of Medicine, St. Louis, MO, (2) Varian Medical Systems, Palo Alto, CA
SU-B-TRACK 1-1BEST IN PHYSICS (IMAGING): Skin Dose Mapping by Convolution of the Dose Point Spread Function Over a Curved Surface
S-H Sun*, C Guo, S Rudin, D Bednarek, Univ. at Buffalo (SUNY) School of Med., Buffalo, NY
SU-B-TRACK 1-2The Application of a Correction for Angle of X-Ray Incidence in the Skin Dose Tracking System During Fluoroscopically-Guided Procedures
S-H Sun*, C Guo, S Rudin, D Bednarek, Univ. at Buffalo (SUNY) School of Med., Buffalo, NY
SU-B-TRACK 2-45DCT Reconstruction Accuracy and Elasticity Estimation Performance for Low Dose Fast-Helical Free Breathing CT
M Lauria1*, B Stiehl1, D O'Connell1, S Hsieh2, I Barjaktarevic1, A Santhanam1, D Low1, (1) UCLA, Los Angeles, CA, (2) Mayo Clinic, Rochester, MN
SU-C-TRACK 1-1Optimization Gap: Iterative Reconstruction Does Not Deliver Actual CT Dose Reduction in a Large, Diverse Fleet of Clinical CT Scanners
J Bell1*, C Smitherman2, T Petrone2, W Moloney3, D Jordan1, (1) University Hospitals, Cleveland, OH, (2) Petrone Associates, LLC, Staten Island, NY, (3) Bio-Med Associates, Inc, Yardley, PA
SU-C-TRACK 1-6Implementation of Tube Current Modulation Into An Organ Dose Calculator for CT Patients
C Lee1*, Y Yeom2, J Atkinson3, L Folio4, (1) National Cancer Institute, Rockville, MD, (2) National Cancer Institute, Rockville, MD, (3) Georgia Institute of Technology, Atlanta, GA,(4) National Institutes of Health, Bethesda, MD
SU-E-TRACK 1-1BEST IN PHYSICS (IMAGING): Comparison of Loss Functions in Dual-Domain Convolutional Neural Networks for Low-Dose CT Enhancement
KJ Chung1-3*, R Souza4,5, R Frayne4,5, TY Lee1-3, (1) University of Western Ontario, London, ON, CA, (2) Robarts Research Institute, London, ON, CA, (3) Lawson Health Research Institute, London, ON, CA, (4) University Of Calgary, Calgary, AB, CA, (5) Foothills Medical Centre, Calgary, AB, CA
SU-E-TRACK 1-2Phantom-Based Training Framework for Deep Convolutional Neural Network CT Noise Reduction
N Huber*, A Missert, H Gong, S Leng, L Yu, C McCollough, Mayo Clinic, Rochester, MN
TH-A-TRACK 3-2Accurate Post-Implantation Dose Reconstruction of CivaSheet, Aided by Machine Learning Techniques
I Veltchev*, R Price, X Chen, K Howell, J Meyer, C Ma, Fox Chase Cancer Center, Philadelphia, PA
TH-A-TRACK 5-6Practical Treatment Techniques for Fetal Dose Reduction in Intracranial Stereotactic Radiation Therapy
W Giles*, F Yin, J Torok, A Rodrigues, Duke University Medical Center, Durham, NC
TH-C-TRACK 1-6Investigation of Spectral Separation, Effective Energy, and Dose Allocation of Split-Filter DECT Using MCNP
L Di Maso*, M Lawless, J Huang, J Miller, L DeWerd, University of Wisconsin-Madison, Madison, WI
TH-C-TRACK 4-0NCRP 184 - Radiation Exposure to Patients in the United States
M Mahesh1*, D Frush2*, D Miller3*, (1) Johns Hopkins University, Baltimore, MD, (2) Stanford University, Palo Alto, CA, (3) Food and Drug Administration, Silver Spring, MD
TU-C-TRACK 1-6Motion Artifact Impact On Dose Calculation Using CBCT
S Scheib1*, I Peterlik2, P Paysan3, S Scheib4, Varian Medical Systems Imaging Laboratory, Daettwil Ag, CH,
TU-C-TRACK 3-3Dose to the Left Ventricle and the Right Atrium as Well as Mean Lung Dose Predicts Overall Survival in RTOG 0617: An Updated and More Detailed Cardiopulmonary Dose-Response Model
M Thor*, A Apte, R Haq, R Pandya, A Iyer, JH Oh, JO Deasy, Memorial Sloan-Kettering Cancer Center, New York, NY
TU-CD-TRACK 2-15Effect of Deformable PET/CT Image Registration Uncertainty On Intratumoral Dose Response Assessment
S Chen*, A Qin, D Krauss, D Yan, William Beaumont Hospital, Royal Oak, MI
TU-D-TRACK 1-3Implementation of Flag Criteria to Establish Target Exposure Indices and Identify Practice Variation in Digital Radiography
P Chaudhary1*, K Hulme2, X Li2, (1) Medical Physics Graduate Program, Cleveland State University, Cleveland, OH, (2) Imaging Institute, Cleveland Clinic, Cleveland, OH
TU-EF-TRACK 3-8Inter-Institutional Dose Prediction with Deep Convolutional Neural Network and Transfer Learning for Prostate Cancer VMAT Treatments
R Norouzi-Kandalan1,2*, D Nguyen1, M Lin1, A Barragan Montero3, S Breedveld4, K Namuduri2, S Jiang1, (1) UTSouthwestern Medical Center, Dallas, TX(2) University of North Texas, Denton, TX (3) Universite Catholique de Louvain, Brussels, VBR, BE (4) Erasmus University Medical Center, RTM, NL
WE-AB-TRACK 1-0How Low Can CT Dose Go? Future Dose Reduction Technologies
J Maier1*, M McNitt-Gray2*, G Gang3*, F Noo4*, M Kachelriess5*, (1) German Cancer Research Center, Heidelberg, DE, (2) David Geffen School of Medicine at UCLA, Los Angeles, CA, (3) Johns Hopkins University, Baltimore, MD, (4) University Utah, Salt Lake City, UT, (5) DKFZ Heidelberg, FS05, Heidelberg, BW, DE
WE-B-TRACK 3-7Voxel-Based Dose-Linear Energy Transfer (LET) Volume Histogram (DLVH) to Study Adverse Events in Head and Neck (H&N) Cancer Treated by Intensity-Modulated Proton Therapy (IMPT)
Y Yang1*, S Patel2, J Bridhikitti3, M Halyard4, L McGee5, J Rwigema6, W Wong7, M Bues8, M Fatyga9, R Foote10, W Liu11, (1) Mayo Clinic Arizona, Phoenix, AZ, (2) Mayo Clinic Arizona, Phoenix, AZ, (3) Prince of Songkla University, ,Songkhla, TH, (4) Mayo Clinic Arizona, Phoenix, AZ, (5) Mayo Clinic Arizona, Phoenix, AZ, (6) Mayo Clinic Arizona, Phoenix, AZ, (7) Mayo Clinic Arizona, Phoenix, AZ, (8) Mayo Clinic Arizona, Phoenix, AZ, (9) Mayo Clinic Arizona, Phoenix, AZ, (10) Mayo Clinic Rochester, Rochester, MN, (11) Mayo Clinic Arizona, Phoenix, AZ
WE-C-TRACK 1-4Validation of a Two-Volume Dynamic CT Renal Perfusion Technique
B Flynn*, Y Zhao, L Hubbard, S Malkasian, P Abbona, S Molloi, University of California-Irvine, Irvine, CA
WE-CD-TRACK 4-0Fluoroscopic Dose Tracking: Trials, Tribulations, and Successes
R Fisher1*, O Christianson2*, B Schwarz3*, (1) MetroHealth, Cleveland, OH, (2) Landauer Medical Physics, Franklin Park, PA, (3) University of Florida, Gainesville, FL
WE-CD-TRACK 4-1Fluoroscopy Dose Tracking: Experiences with homegrown, non-commercial solutions
R Fisher1*, O Christianson2*, B Schwarz3*, (1) MetroHealth, Cleveland, OH, (2) Landauer Medical Physics, Franklin Park, PA, (3) University of Florida, Gainesville, FL
WE-CD-TRACK 4-2Fluoroscopy Dose Tracking: A Guide from Acquiring Data to Creating National Benchmarks
R Fisher1*, O Christianson2*, B Schwarz3*, (1) MetroHealth, Cleveland, OH, (2) Landauer Medical Physics, Franklin Park, PA, (3) University of Florida, Gainesville, FL
WE-CD-TRACK 4-3An Example Pre-, Intra- and Post-Procedure Clinical Workflow for General Fluoroscopy and FGI Procedures
R Fisher1*, O Christianson2*, B Schwarz3*, (1) MetroHealth, Cleveland, OH, (2) Landauer Medical Physics, Franklin Park, PA, (3) University of Florida, Gainesville, FL
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 1-7Improved Low Count PET Recovery Using a Novel CNN Architecture
K Spuhler1*, M Serrano-Sosa2, C Huang3 (1) NYU Langone Health, New York, NY, (2) Stony Brook University, Stony Brook, NY, (3) Renaissance School of Medicine, Stony Brook, NY
WE-D-TRACK 3-3An Examination of the Mutational Signature of X-Ray Irradiation Using Single-Cell Whole Genome Sequencing
J J W Yeo*, R Li, Y C Wang, N Ybarra, J Kildea, I Ragoussis, McGill University, Montreal, QC, CA
WE-F-TRACK 4-0Diagnostic Imaging and 100 MSv+ Doses
W Sensakovic1*, M Rehani2*, M Lipford3*, T Szczykutowicz4*, (1) Mayo Clinic, Phoenix, AZ, (2) Massachusetts General Hospital, Boston, MA, (3) University of Wisconsin, Madison, WI, (4) University Wisconsin-Madison, Madison, WI
WE-F-TRACK 4-1Do patient receive 100mSv+ from diagnostic scanning?
W Sensakovic1*, M Rehani2*, M Lipford3*, T Szczykutowicz4*, (1) Mayo Clinic, Phoenix, AZ, (2) Massachusetts General Hospital, Boston, MA, (3) University of Wisconsin, Madison, WI, (4) University Wisconsin-Madison, Madison, WI
WE-F-TRACK 4-2Patients with over 100 mSv doses: Experience from large scale studies to assess the magnitude
W Sensakovic1*, M Rehani2*, M Lipford3*, T Szczykutowicz4*, (1) Mayo Clinic, Phoenix, AZ, (2) Massachusetts General Hospital, Boston, MA, (3) University of Wisconsin, Madison, WI, (4) University Wisconsin-Madison, Madison, WI
WE-F-TRACK 4-3Dose Reduction Opportunities in MDCT
W Sensakovic1*, M Rehani2*, M Lipford3*, T Szczykutowicz4*, (1) Mayo Clinic, Phoenix, AZ, (2) Massachusetts General Hospital, Boston, MA, (3) University of Wisconsin, Madison, WI, (4) University Wisconsin-Madison, Madison, WI
WE-F-TRACK 4-4Round-Table Discussion
W Sensakovic1*, M Rehani2*, M Lipford3*, T Szczykutowicz4*, (1) Mayo Clinic, Phoenix, AZ, (2) Massachusetts General Hospital, Boston, MA, (3) University of Wisconsin, Madison, WI, (4) University Wisconsin-Madison, Madison, WI