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Taxonomy: TH- External beam- photons: Quality Assurance - VMAT

MO-C930-GePD-F7-3Commissioning and Validation of the Dolphin Transmission Detector and Compass Software
T Knewtson1*, S Pokhrel1 , A Wiles1 ,A Baker3, M Ballo1,2 , E W Izaguirre1,2 , (1) university Tennessee Health Science Center, Methodist university Hospital, Memphis, TN., (2) West Cancer Center, Germantown, TN., (3) Methodist Healthcare, Memphis,TN.
SU-I-GPD-T-1753D DVH Based Patient Specific Quality Assurance Using COMPASS
S Chander*, S SHARMA , V SUBRAMANI , P KUMAR , S BHASKAR , S PATHY , N GOPISHANKAR , S THULKAR , M SINGH , A BINJOLA , P KUMAR , N DHAYANETHI , All India Institute of Medical Sciences, New Delhi, Delhi
SU-I-GPD-T-176Correlation Between 2D-Gamma Index Passing Rate and 3D-DVH Based Patient Specific Quality Assurance
S SHARMA*, S Chander , V SUBRAMANI , P KUMAR , N GOPISHANKAR , S BHASKAR , S PATHY , S THULKAR , R Kumar , M SINGH , A BINJOLA , P KUMAR , N DHAYANETHI , All India Institute of Medical Sciences, New Delhi, Delhi
SU-I-GPD-T-181Clinical Comparison of Gafchromic EBT-XD Film to Gafchromic EBT3 Film When Utilized as An Absolute Dose Verification Method in Stereotactic Radiotherapy
R Goodman MS*, T Murphy , D Siergiej PhD , T Schroeder MD, University of New Mexico, Albuquerque, NM
SU-I-GPD-T-185Impact On Skin Dose Due to Weight Loss for Head & Neck Cancer Treated Using Volumetric Arc Therapy (VMAT) : A Phantom Study
R Badkul*, J Edds , C Lominska , University of Kansas Medical Center, Kansas City, KS
SU-I-GPD-T-186Verification of Volumetric Modulated Arc Therapy Total Marrow Irradiation Using ArcCHECK and EBT3 Films
P Changkaew*, P Tangboonduangjit , N Stansook , R Worawongsakul , Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Rajathevi,, Bangkok
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-190Dose Calculation Grid for 3D Dose Verification of VMAT Using Rotating 2D Array of Finite-Size Detectors
A Saito*, T Nakashima, T Okumura, M Aita, K Hioki, D Kawahara, H Masuda, K Miki, M Mori, K Naito, Y Ochi, K Tsubouchi, Y Ohno, Y Nagata, Hiroshima University Hospital, Hiroshima, Japan
SU-I-GPD-T-191How Flexible Is the Pass/fail Limits of the Gamma Index for Plan QA? A 10-Year Single Institution Experience
S Almohsen1*, S Wadi-Ramahi1 , A Nobeh1 , B Moftah1 , (1) King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
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-241Dose-Volume Evaluation On Calculation Grid Size in Prostate VMAT Using the Gaussian Error Function
J Chow1*, R Jiang2 , D Markel1 , (1) Princess Margaret Cancer Centre, Toronto, ON, (2) Grand River Regional Cancer Centre, Kitchener, ON
SU-L-209-6VMAT Plans Are Superior to Step-And-Shoot IMRT for Single Fraction Spine SBRT Based On Dosimetric and Quality Assurance Comparison
Z Ouyang*, D LaHurd, E Balagamwala, S Chao, P Xia, Department of Radiation Oncology, Cleveland Clinic, Cleveland, OH
TU-C1030-GePD-F7-5Plan Deliverability Assessment and Prediction Using VMAT Delivery Emulator
S Balakuntala1 , D Tewatia2 , J Dubicki3 , A Abdellatif4 , R Tolakanahalli5*, (1) PSG College of Techology, Coimbatore, Tamil Nadu, (2) University of Wisconsin Madison, Madison, WI, (3) Hamilton Health Sciences, St. Catharines, ON, (4) Hamilton Health Sciences, St. Catharines, ON, (5) Walker Family Cancer Centre, St. Catharines, ON
TU-E115-GePD-F7-1Commissioning of a Pre-Configured Fast-Rotating O-Ring Gantry Linac System and IMRT/VMAT Treatment Delivery Quality
R De Roover1*, K Poels2 , W Crijns2 , A Nulens2 , B Vanstraelen2 , K Haustermans1,2 , T Depuydt1,2 , (1) KU Leuven - University of Leuven, Department of Oncology, B-3000 Leuven, Belgium, (2) University Hospitals Leuven, Department of Radiation Oncology, B-3000 Leuven, Belgium
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
WE-C930-GePD-F4-1A Study On Gantry Position Accuracy Using Delivered Dose Distributions for Gated Volumetric Modulated Arc Therapy
P Ravindran1*, T Balasingh1 , J Raj1 , W Woon2 , (1) Christian Medical College Hospital, Vellore, (2)The Brunei Cancer Center, Brunei, Brunei Darusalam
WE-FG-DBRA-11Knowledge-Based Treatment Planning Increases Complexity and Reduces Delivery Accuracy of VMAT Plans for Prostate Cancer
P Wall1*, J Fontenot1,2 , (1) Louisiana State University, Baton Rouge, LA, (2) Mary Bird Perkins Cancer Center, Baton Rouge, LA