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Keywords: mlc
MO-C930-GePD-F7-5Measurement of MLC Leaf Offset Behavior Using An Electronic Portal Imager
B Barraclough*, D Jacqmin , University of Wisconsin, Madison, WI
SU-F-KDBRA2-4Geometric and Radiation Characterization of a New Double Stack Multileaf Collimator in a Low Field MR-Linac
A Doemer*, C Glide-Hurst , J Kim , N Wen , B Movsas , I Chetty , Henry Ford Health System, Detroit, MI
SU-I-GPD-T-56Modeling of Applicator Free Electron Beams
S Crooks*, E Klein , Rhode Island Hospital / Warren Alpert Medical School at Brown University, Providence, RI
SU-I-GPD-T-238Two Beam Modulation Approaches Comparison: A Monte Carlo Study for MLC and Clinical Compensator Used for IMRT
John Zhai1,2*, (1) Simon Cancer Center, Radiation Oncology Department, Indiana University School of Medicine, Indianapolis, IN. (2) Tennessee Medical Physics, LLC, Nashville, TN
SU-I-GPD-T-270Determining Blocked Equivalent Square Field Size Using An MLC Centroid Method
W Taylor*, K Woods , D DiCostanzo , Ohio State University Medical Center, Columbus, OH
SU-I-GPD-T-277A Simple Method for Determining Dosimetric Leaf Gap for Rounded Leaf-End Multileaf Collimator Systems
A Shiau*, C Lin , J Ji , J Liang , China Medical University Hospital, Taichung, Taiwan
SU-I-GPD-T-281A Comparative Dosimetric Study of High Definition (HD120) and Millennium (M120) Multi Leaf Collimators for Left-Sided Breast Cancer Using Four Different Radiotherapy Techniques
V Mhatre*, S Pilakkal , V Manik , P Chadha , K Talpatra , KOKILABEN DHIRUBHAI AMBANI HOSPITAL, Mumbai, Maharashtra
SU-I-GPD-T-328Dosimetric Leaf Gap and Pre-Treatment Plan Verification for Halcyon Linacs
M Constantin1*, J Mai2 , (1) Varian Medical Systems Inc, Palo Alto, California, (2) Duke University, Durham, NC
SU-I-GPD-T-335Optimization and Evaluation of N-Level Collimation for Intensity Modulation
A Morrow*, H Chung , Baylor Scott & White Health, Temple, TX
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-414Dosimetric Leaf Gap and Transmission for Millennium 120-Leaf MLC On Varian TrueBeam
Johnson Darko1,2,3*, Patricia Bui2 , Dinindu Gunasekara2 , Andre Fleck1,3 , Ernest Osei1,2,3 , (1) Grand River Regional Cancer Centre, Kitchener, ON, (2) University of Waterloo, Waterloo, ON, (3) University of Guelph, Guelph, ON
SU-I-GPD-T-453Investigation of Small Field Electron Beams for Preclinical Irradiation
D Parsons*, X Gu , S Stojadinovic , M Chen , S Jiang , W Lu , UT Southwestern Medical Center, Dallas, TX
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-L-DBRA-3Dosimetric Characterization of a Dual-Layer MLC System for Halcyon Treatment Delivery System
T Li*, C Kennedy , M Kim , L Dong , R Scheuermann , D Mihailidis , J Zou , University of Pennsylvania, Philadelphia, PA
TH-AB-DBRA-9Method to Quantify the PTV Margin Required for Patients Treated with MLC Tracking for Lung SABR
V Caillet1,2*, B Swan4,5 , A Briggs2 , N Hardcastle3,7 , D Jayamanne2 , T Eade 2, P Greer5,6 , R O'Brien1 , P Keall1 , J Booth2,(1) ACRF Institute X, University Of Sydney, NSW,(2) Royal North Shore Hospital, St Leonards, NSW, (3) Peter MacCallum Cancer Centre, Melbourne, Victoria, (4) Calvary Mater Newcastle, Newcastle, (5) Central Coast Cancer Centre, Gosford, Australia,(6) Faculty of Science and IT, School of Mathematical and Physical Sciences, The University of Newcastle, Newcastle, Australia, (7) Institute of Medical Physics, University of Sydney, Sydney, NSW
TH-AB-KDBRA1-2A Method for Failure Prediction and Preventative Maintenance of Multi-Leaf Collimators Via Log Files
D Moyer*, E Wolf , N Kumar , B McGill , M Lamba , D Ionascu , University of Cincinnati, Cincinnati, OH
TH-AB-KDBRA1-8Performance of a Doubly-Focused Double-Stack Multi-Leaf Collimator (MLC) System On a MR Guided Linear Accelerator
B Cai*, J Cammin , A Price , D Yang , J Park , V Rodriguez , S Mutic , O Green , Washington University in St Louis, St Louis, MO
TH-AB-KDBRA1-9Proof of Concept of Kilovoltage Intensity Modulated Radiotherapy
B Loughery1*, R Halford2 ,M Snyder3 , (1) Karmanos Cancer Center / Wayne State University, Detroit, MI, (2) William Beaumont Health System, Dearborn, MI, (3) William Beaumont Health System, Royal Oak, MI
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-F4-6A Novel Dynamic Beam Flattening Technique for 6FFF Beams On Halcyon Linacs
M Constantin1*, J Kauppinen2 , E Kuusela2 , S Thompson1 , (1) Varian Medical Systems, Palo Alto, California, (2) Varian Medical Systems, Helsinki, Finland
TU-D-KDBRA1-5Performance of a Dual-Layer Staggered MLC System in Stereotactic Treatment for Multiple Brain Metastases with a Single Isocenter: A Dosimetric Comparison Across Three Delivery Techniques
T Li1*, H Liu2 , W Shi2 , J Zou1 , B Teo1 , L Dong1 , (1) University of Pennsylvania, Philadelphia, PA, (2) Thomas Jefferson University, Philadelphia, PA
TU-E115-GePD-F3-4The Effect of MLC Leaf Width in Single Isocenter Multi-Target Radiosurgery with VMAT
Z Abisheva*, J Adamson , S Floyd , J Salama , F Yin , W Giles , Duke University Medical Center, Durham, NC
WE-C930-GePD-F3-1Comparison Between TrueBeam Millennium And High Definition MLC With Halcyon Dual-Layer MLC: Impact of Collimator Leaf Width On Plan Quality for Stereotactic Body Radiotherapy for Spine Tumors
H Petroccia*, L Dong , I Malajovich , B Teo , T Li , University of Pennsylvania, Philadelphia, PA
WE-FG-KDBRA1-10Utilizing Historical Performance Data From Trajectory Logs and Service Reports to Establish a Proactive Maintenance Model for Minimizing MLC Downtime
B Wu*, P Zhang , T LoSasso , Memorial Sloan-Kettering Cancer Center, New York, NY