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Author profile
Somayeh Gholami, PhD
Department of Radiation Oncology, University of Utah
Dosimetric Impact of Shielding In a Co-60 HDR Cylindrical Applicator: A Geant4 Monte Carlo and Gafchromic Film Study
High-dose-rate (HDR) vaginal brachytherapy often employs shielded applicators to enhance organ-at-risk (OAR) sparing—particularly rectal protection—in cases with asymmetric tumor distribution. Although the shield thickness in cylindrical applicators was origi...
Poster Program · Therapy Physics
Improved OAR Sparing In Lung Lattice Sfrt Using Breath-Hold Respiratory Motion Management
Spatially fractionated radiation therapy (SFRT) requires accurate placement of high-dose vertices to preserve peak-to-valley dose ratios (PVDR) and limit dose to surrounding organs at risk (OARs). This study evaluates the impact of breath-hold–based motion ma...
Poster Program · Therapy Physics