Search Submissions 🔎

Results for "mlc behavior": 4 found

Impact of Photon Beam Energy and Symmetry on the Radial Profile Correction Factor for FFF Beams

Authors: Wesley S. Culberson, Larry A. DeWerd, Ahtesham Ullah Khan, Zachary James Welchel

Affiliation: Department of Medical Physics, School of Medicine and Public Health, University of Wisconsin - Madison, University of Wisconsin-Madison

Abstract Preview: Purpose: Flattening filter free (FFF) linac beams exhibit a centrally peaked beam profile due to the forward-directed bremsstrahlung production from MeV electrons, leading to volume averaging effects ...

Optimizing the Design for a Directional Brachytherapy Source

Authors: Akire Trestrail

Affiliation: University of Wisconsin

Abstract Preview: Purpose: To investigate the feasibility of using 125I as a HDR directional brachytherapy source.
Methods: Monte Carlo (MC) simulations were performed using the EGSnrc software toolkit. Dose rate di...

Proactive Quality Assurance for Adaptive Radiotherapy: Real-Time Mlc Verification with Myqa SRS

Authors: James L. Giltz, Michael J. Merrick

Affiliation: Alyzen Medical Physics, University of Kentucky

Abstract Preview: Purpose: To evaluate the capability of MyQA SRS in performing high-resolution machine QA to verify multileaf collimator (MLC) behavior and integrity for adaptive radiotherapy (ART). This study demonst...

Validation of Radiopharmaceutical Therapy (RPT) Dose Calculation Platforms from Absolute Absorbed Dose Measurement of 225ac

Authors: Bryan Bednarz, Larry A. DeWerd, Sean Jollota, Ahtesham Ullah Khan, Ohyun Kwon, Jeff Radtke

Affiliation: Department of Medical Physics, School of Medicine and Public Health, University of Wisconsin - Madison

Abstract Preview: Purpose: The accurate quantification of absorbed dose is essential for alpha-emitting radionuclides used in radiopharmaceutical therapy (RPT). This study presents the first direct comparison of physic...