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Author profile
Hugh HC Lee, PhD
Department of Radiation Oncology, Washington University School of Medicine in St. Louis
Comprehensive Open-Field Dosimetric Validation of Commercially Available Monte Carlo-Based Secondary Dose Verification System for Photon Radiotherapy
To perform comprehensive dosimetric validation of a commercially available independent Monte Carlo (MC)-based secondary dose calculation engine for clinical photon radiotherapy.
Poster Program · Therapy Physics
Dosimetric Validation of Hypersight-Based Online Adaptive Radiotherapy on a C-Arm Linac Using Iroc Phantoms
To validate an online adaptive radiotherapy (oART) workflow for a C-arm linear accelerator (LINAC) equipped with HyperSight CBCT using Imaging and Radiation Oncology Core (IROC) anthropomorphic phantoms.
Poster Program · Therapy Physics
Characterization of Plastic Scintillator Detector for Gamma Knife Beam Profile Measurement: A Comparison with Microdiamond and Film
To validate the Exradin W2 plastic scintillator for measuring beam profiles in Leksell Gamma Knife (LGK) quality assurance and to compare its characteristics against MicroDiamond detector measurements as a filmless QA alternative.
Poster Program · Therapy Physics
Impact of Motion on Dose Calculation Differences between Halcyon and Truebeam Hypersight Imaging Systems
To compare HyperSight imaging systems between O-ring (Halcyon) and C-arm (TrueBeam) machine, with specific emphasis on the impact of motion in resulting dose calculation.
Poster Program · Therapy Physics
Sustained Utilization of Gamma Knife Radiosurgery across Four Technological Generations and Increasing Repeat Treatment Capacity over 27 Years
Gamma Knife radiosurgery (GKRS) has undergone multiple technological transitions over the past two decades. This study evaluates long-term utilization trends at a single academic institution to assess whether GKRS has remained a durable and adaptable treatmen...
Poster Program · Therapy Physics
Validation of Commercial Monte Carlo Secondary Dose Calculation Using External Audit End-to-End Phantoms
Independent verification of IROC phantom credentialing results is valuable for institutional quality assurance and confidence in treatment planning system performance. This work aimed to verify the accuracy of a commercially available Monte Carlo (MC) dose al...
Poster Program · Therapy Physics