Somaye Karimi Jashni

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PURPOSE The goal of this study is to determine a method for Monte Carlo (MC) characterization of the miniature electronic brachytherapy x-ray sources (MEBXS) and to set dosimetric parameters according to TG-43U1 formalism. TG-43U1 parameters were used to get optimal designs of MEBXS. Parameters that affect the dose distribution such as anode shapes, target(More)
PURPOSE The American Association of Physicists in Medicine (AAPM) Task Group 43 (TG-43) recommended dosimetric parameters of sources, in homogenous water phantom. However brachytherapy implant volumes are shown large error due to inhomogeneous mediums respect to homogenous water. The goal of this project is to determine a novel fast analytical method to(More)
PURPOSE Currently, treatment planning systems make two assumptions that can affect dose calculation; Homogenous media and Radio-transparency of surrounding seeds. In this project a fast novel analytical model to correct the inter-seed attenuation (ISA) in multiseed implants for TG-43U1 LDR brachytherapy have developed. Model sensitivity of the results to(More)
PURPOSE In this project new treatment software based on TG-43U1 and Monte Carlo (MC) simulations for treatment of GYN cancers were developed. This treatment software accounted for inter-source effect, applicator attenuation, and tissue heterogeneity for Cs-137 selectron machine. METHODS MC Linear TG-43U1 functions for combination of 8 active-inactive(More)
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