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Keywords: Intensity Modulation
MO-I345-GePD-F4-6Does the Robustness of PBS Proton Therapy of Prostate Cancer Depend On Beam Spot Size and Intensity Modulation?
M Moteabbed*, J Efstathiou , H Lu , Massachusetts General Hospital, Boston, MA
MO-I345-GePD-F7-1A Template Based Automation Method for Optimization Using a Commercial Treatment Planning System
X Huang1*, B Zhao2 , Y Zhou3 , H Quan4 , Y Chen5 , (1) School of Physics and Technology,Wuhan University,Wuhan,Hubei (2) Departments of Radiation Oncology, Peking University First Hospital,Beijing (3) Elekta Instrument,Shanghai (4) School of Physics and Technology,Wuhan University,Wuhan,Hubei (5) Elekta Instrument,Beijing
MO-I345-GePD-F7-2Energy-Based Inverse Optimization Sensitivity to IMRT Delivery Parameters in NSCLC
I Mihaylov*, M De Ornelas , I Mihaylov , University Miami, Miami, FL
SU-E-209-3Automating Beam Orientation Optimization for IMRT Treatment Planning: A Deep Reinforcement Learning Approach
O Ogunmolu1,2*, D Nguyen1, C Shen1, X Jia1, W Lu1, N Gans2, S Jiang1, (1) Medical Artificial Intelligence and Automation Laboratory, UT Southwestern Medical Center, Dallas, TX, (2) Sensing, Robotics, Vision, Control and Estimation Laboratory, University of Texas at Dallas, Richardson, Texas
SU-E-DBRA-2Dosimetric Evaluation of the Treatment of Multiple Brain Metastases: Multiple Target with Single Isocenter Versus Single Target Per Isocenters
A Qureshi*, D Pearson , D Elliottt , University of Toledo, Toledo, OH
SU-E-KDBRA1-7Superiority of Hybrid-VMAT Planning Over 3D and VMAT Techniques for Whole Breast Radiotherapy with a Simultaneously-Integrated Boost (WBRT+SIB)
K Guida*, A Brito Delgado , S Howard , N Neba , L Henry , M Thompson , K Qamar , University of Kansas Health System, Kansas City, KS
SU-F-KDBRA1-2Biological Comparison of Targeted Marrow Irradiation and Total Body Irradiation by the Generalized Equivalent Uniform Dose (gEUD)
G Warrell*, V Colussi , W Swanson , D Mansur , G Pereira , University Hospitals Cleveland Medical Center, Cleveland, OH
SU-F-KDBRC-6Efficacy of Delivery QA-Free Adaptive Radiotherapy
R Pappafotis*, B Rabatic , T Zhu , J Dooley , R Li , A Wang , R Chen , S Das , J Lian , University of North Carolina, Chapel Hill, NC
SU-H300-GePD-F4-5What Did a Large Cohort Study for Clarkson-Type Secondary Check Find?
H Tachibana*, National Cancer Center EPOC, Kashiwa
SU-I-GPD-E-19Investigation of Physical Penumbra Definition in IMRT Applications
h alipour , K Hadad*, Shiraz University, Shiraz, Fars
SU-I-GPD-J-51Interobserver Variations in the Delineation of Target Volumes and Organs at Risk and Their Impact On Dose Distribution in Intensity-Modulated Radiation Therapy for Nasopharyngeal Carcinoma
Y Peng*, L Chen , G Shen , J Yao , L Yang , J Li , W Cheng , Y Guan , H Xia , S Liu , X Deng , Sun Yat-sen University Cancer Center, Guangzhou, Guangdong
SU-I-GPD-P-57Feasibility of Dose Escalation Based On Geometric and Biological Predictions of Tumor Response to Radiotherapy for Non-Small-Cell Lung Cancer
L Kuo*, P Zhang , A Rimner , J Deasy , Memorial Sloan Kettering Cancer Center, New York, NY
SU-I-GPD-T-75The Impact of Intra-Fractional Motion On Dose Distributions in Lung IMRT
M Chetvertkov*, O Vassiliev , J Yang , H Wang , Z Liao , R Mohan , UT MD Anderson Cancer Center, Houston, TX
SU-I-GPD-T-78Whole-Body Dose Equivalent Including Neutrons Is Similar for 6MV and 15MV IMRT, VMAT, and 3D Conformal Radiotherapy
P Hauri1,2*, U Schneider1,2, (1) Radiotherapy Hirslanden, Hirslanden Medical Center, Zuerich, Switzerland, (2) Department of Physics, University of Zurich, Zurich, Switzerland
SU-I-GPD-T-94Dosimetric Comparison of Proton and Brainlab IMRT Plans for Small Brain Tumors
K Depew*, O Algan , S Ahmad , H Jin , Oklahoma university Health Science Ctr., Oklahoma City, OK
SU-I-GPD-T-124Dosimetric Comparison of Radiotherapy Plans Using Proton Therapy, VMAT and Static IMRT for Chemoradiation Therapy of Esophageal Cancer
B Liu1*, N Biswal1 , X Wang1 , K Nie1 , A Zhang1 , N Yue1 , S Jabbour1 , Y Zhang1 , (1) Rutgers Cancer Institute of New Jersey, New Brunswick, NJ
SU-I-GPD-T-125Skin Sparing Optimization Method Utilizing Intensity Modulated Proton Therapy (IMPT) in Breast Cancer Therapy
J Yu*, K Greco , A Gutierrez , C McKenzie , M Mehta , M Fagundes , Miami Cancer Institute, Miami, FL
SU-I-GPD-T-126A Novel Classification Method of Hybrid Proton PBS Plans Using DVH Based Metrics
A Panchal1*, L Lima2 , A Liu2 , D Hecksel1 , (1) Northwestern Medicine Chicago Proton Center, Warrenville, IL, (2) Illinois Mathematics and Science Academy, Aurora, Illinois
SU-I-GPD-T-189A Novel Prediction of MLC Leaf Positioning Accuracy Based On Artificial Neural Network
B Min1*, H Nam1 , W Cheon2 , Y Han2 , H Lee1 , Y Kim1 , I Jeong1 , S Bang1 , J Park1 , (1) Department of Radiation Oncology, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul (2) Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul
SU-I-GPD-T-196Photon Beam Energy Dependence On IMRT QA for Brain Treatment Plan in Radiotherapy
I Khan1 , B Tahir1 , M Rafique1 , T Iqbal1 , A Zahoor1,2 , J Rehman3 , K Iqbal2 , J Chow4*, (1) University of Gujarat, Gujrat, Pakistan, (2) SKMH&RC, Lahore, Pakistan, (3) BUITEMS, Quetta, Pakistan, (4) Princess Margaret Cancer Centre, Toronto, ON
SU-I-GPD-T-199A Comparative Study of Head & Neck VMAT QA Using ArcCheck and MapPhan Diode Detector Array Systems
J Zhang*, J Rahimian , S Lee , W Lien , J Han , D Kim , K Goldman , S Lu , G Hong , Y Qian , Southern California Permanente Medical Group, Los Angeles, CA
SU-I-GPD-T-200Investigating Causes to Unexplained Failures in IMRT QA
A Uejo*, J Gagneur , E Clouser , Mayo Clinic Arizona, Phoenix, AZ
SU-I-GPD-T-217Evaluation of the Effect of the Target and the Overlap Volume of the Organ On the Automatic Optimization of the Knowledge-Based IMRT Plan for Cervical Cancer
C Ma1*, (1) Shandong Cancer Hospital and Institute, Jinan, Shandong Province
SU-I-GPD-T-218Reduction of Hotspots in the Treatment Margin Between GTV and PTV in IMRT Plans
G Narayanasamy*, X Zhang , E Galhardo , S Morrill , T Kim , S Maraboyina , J Penagaricano , Department of Radiation Oncology, University of Arkansas for Medical Sciences, Little Rock, AR
SU-I-GPD-T-232Monte Carlo Verification of Jaws-Only IMRT Dose Distributions From Prowess Panther System On Octavius 4D Phantom
T Tai1,3 , N Son2 , T Loan3 , L Oanh4 , J Chow5*, (1) Dongnai General Hospital, Bien Hoa, Vietnam, (2) Chi Anh Medical Technology Co.,Ltd., Ho Chi Minh, Vietnam, (3) University of Science, Ho Chi Minh, Vietnam, (4) Nguyen Tat Thanh University, Ho Chi Minh, Vietnam, (5) Princess Margaret Cancer Centre, Toronto, ON
SU-I-GPD-T-272Comparison of Dose Calculation Algorithms Between Acuros XB and Anisotropic Analytical Algorithm in RapidArc Plans for High-Grade Glioma
T Takizawa1*, S Tanabe1 , S Utsunomiya2 , N Kushima1 , A Ohta1 , H Saito3 , T Nakano3 , E Abe3 , M Kaidu3 , H Aoyama3 , (1) Niigata University Medical and Dental Hospital, Niigata, Niigata, (2) Graduate School of Health Sciences, Niigata University, Niigata, Niigata, (3) Graduate School of Medical and Dental Sciences, Niigata University, Niigata, Niigata
SU-I-GPD-T-283Evaluation of a Treatment Planning System for CyberMat Beam Delivery
A Eldib1*, L Chen1 , J Fan2 , T Giaddui3 , M Abdelgawad4 , C Ma1 , (1) Fox Chase Cancer Center, Philadelphia, PA, (2) University of South Alabama, Mobile, AL, (3) US Oncology Network, Indianapolis, IN, (4) Biophysics branch, department of physics, faculty of science, AlAzhar university, Cairo, Egypt
SU-I-GPD-T-296Applying Two RapidPlan Models Trained On Different Techniques and MLC-Types to IMRT Plans: A Dosimetric Evaluation
Y Lei1*, A Granatowicz2 , T Diener1 , A Smith1 , S Wang1 , D Zheng1 , M Hyun1 , Q Fan1 , C Enke1 , A Wahl1 , C Zhang1 , N Bennion1 , S Zhou1 , (1) University of Nebraska Medical Center, Omaha, NE, (2) Nebraska Medicine, Omaha, NE
SU-I-GPD-T-336A MLC Leaf Sequencing Algorithm Restricted by the Shape of Aperture for IMRT
J Jing1,2 , H Lin1 , B Zhang1 , J Chow2*, (1) Hefei University of Technology, Hefei, China, (2) Princess Margaret Cancer Centre, Toronto, ON
SU-I-GPD-T-345Monte Carlo Study of a Novel Compensator for IMRT in Low and Middle Income Countries
D Toomeh1*, S Gadoue2 , N Fong1 , G Subrahmanyam3 , M Tamilarasan3 , K Govindarajan4 , E Ford1 , (1) University of Washington, Seattle, WA, (2) Loma Linda University Medical Center, Loma Linda, CA, (3) Panacea Medical Technologies, Bangalore, India, (4) PSG Hospital, Coimbatore, India
SU-I-GPD-T-354Effect of Radiation Treatment Technique On Clinical Outcome of Small Cell Lung Cancer Patients
T Podder1*, A Dey2 , T Biswas1 , (1) University Hospitals Seidman Cancer Center, Cleveland, OH, (2) University of Akron, Akron, OH
SU-I-GPD-T-373Experimental Validation of SRS VMAT in Small Volumes. Tolerance Criteria for Plan-Specific QA Verification
M Adria-Mora1*, N Carrasco Vela1 , J Bonaque Alandi1 , F Ballester2,3 , J Gimeno Olmos1,3 , V Carmona Meseguer1,3 , F Lliso Valverde1,3 , J Perez-Calatayud1,3 , (1) Hospital Universitari i Politecnic La Fe, Valencia, Spain (2) University of Valencia, Burjassot, Spain (3) Grupo de Investigacion en Fisica Medica IRIMED, UV - Hospital La Fe, Valencia, Spain
SU-I-GPD-T-398Results of Beta Testing the New VMAT Module in Elements Cranial SRS Software for Radiosurgery Planning
A Bertinetti*, G Luo , G Ding , Vanderbilt University, Nashville, TN
SU-I-GPD-T-425Assessment of Feasibility of Spine Stereotactic Body Radiotherapy for Re-Irradiation Patients with Metastases to More Than Two Vertebrae
T Furuya*, K Ito , K Nihei , K Karasawa , Tokyo Metropolitan Cancer and Infectious Diseases Center Komagome Hospital, Tokyo, Japan
SU-K-KDBRA1-1A Novel Learning Approach for Predicting MLC Positioning During Dynamic IMRT Delivery
A Osman1*, N Maalej2 , K Jayesh3 , (1) American University of Beirut Medical Center, Beirut, Lebanon,(2) King Fahd University of Petroleum and Minerals, Dhahran, Saudi Arabia,(3) American Hospital Dubai, Dubai, UAE
SU-K-KDBRA2-7Feasibility of a Step-And-Arc Total Marrow Irradiation (TMI) Treatment Planning
T Wu*, E Pearson , B Aydogan , The University of Chicago, Chicago, IL
SU-L-KDBRA1-1A Machine Learning-Based Approach to Specify the Cause of Error in IMRT Patient Specific QA
S Utsunomiya1*, M Sakai1 , H Koarai1 , T Takizawa2 , N Kushima2 , S Tanabe2 , H Aoyama3 , (1) Graduate School of Health Sciences, Niigata University, Niigata, Japan, (2) Niigata University Medical and Dental Hospital, Niigata, Japan, (3) Graduate School of Medical and Dental Sciences, Niigata University, Niigata, Japan
TH-AB-KDBRA1-10Simulation and Validation of a Gantry Static Couch Motion Optimization Technique (GsCMOT): A Feasibility Study
R Jakubovic*, G Gill , J Chang , Northwell Health, Lake Success, NY
TH-EF-KDBRA1-11Quantum Annealing for IMRT Optimization
J Pakela*, I El Naqa , University of Michigan, Ann Arbor, MI
TU-C1000-GePD-F7-3Optimization of Multi-Modality Proton-Photon Treatments
S Fabiano1*, M Bangert2 , N Andratschke1 , M Guckenberger1 , J Unkelbach1 , (1) University Hospital Zurich, Zurich, Switzerland, (2) German Cancer Research Centre, Heidelberg, Germany
TU-C1030-GePD-F4-4Initial Investigation of the SX1 Dual-Layer Multileaf Collimator Tongue-And-Groove Effect
TY Lim*, E Flores-Martinez , X Fave , S AM Lloyd , I Dragojevic , D Hoffman , T Atwood , K L Moore , G Kim , UC San Diego, La Jolla, CA
TU-C1030-GePD-F6-3Evaluation of a Transmission Detector On IMRT QA Using Structure Similarity Index (SSIM)
C Shi*, S Lim , M Chan , Memorial Sloan-Kettering Cancer Center, Basking Ridge, NJ
TU-E115-GePD-F7-2Dose Perturbations From Esophageal Stents in Volumetric Modulated Arc Therapy
R Kosztyla1*, C Duzenli1 , B Nasir2 , S Lefresne1 , (1) BC Cancer - Vancouver, Vancouver, BC, (2) Centre Hospitalier de l'Universite de Montreal, Montreal, QC
TU-K-DBRA-5Energy Modulated Radiation Therapy (EMRT), a New Paradigm in Radiotherapy
R Shaw*, S Luan , Department of Computer Science, University of New Mexico, Albuquerque, NM
TU-K-DBRA-6Sparse Orthogonal Collimator with Rectangular Aperture Optimization for Small Animal IMRT
K Woods1*, D Nguyen2, R Neph1, D O'Connor1, S Boucher3, K Sheng1, (1) UCLA School of Medicine, Los Angeles, CA, (2) UT Southwestern Medical Center, Dallas, TX, (3) RadiaBeam Technologies, Santa Monica, CA
WE-C1030-GePD-F9-6Use of Passive Intensity Modulation for Bolus Electron Conformal Therapy
R Carver1,2*, E Chambers2 ,E Hilliard2 , K Erhart3, K Hogstrom1,2 , (1) Mary Bird Perkins Cancer Center, Baton Rouge, LA, (2) LSU Dept. of Physics & Astronomy, Baton Rouge, LA, (3) .decimal, LLC Sandford, FL 32771
WE-FG-DBRA-6Highly Efficient and Robust Autonomous VMAT/IMRT Planning Enabled by a Novel Dose and Anatomy Features-Driven Downsampling Voxelization Scheme
Y Yang*, L Xing , Stanford Univ, School of Medicine, Stanford, CA