نتایج جستجو برای: application radiotherapy dosimetry

تعداد نتایج: 830352  

2017
Michael D Jensen Ady Abdellatif Jeff Chen Damianos Christophides Alex Davies Mark Fleckney Mike Oliver Adam Gladwish Robert Staruch Jong Min Park So-Yeon Park Hyoungnyoun Kim Jianguo Qian Lei Xing

With emerging techniques for tracking and gating methods in radiotherapy of lung cancer patients, there is an increasing need for efficient four-dimensional Monte Carlo (4DMC) based quality assurance (QA). An automated and flexible workflow for 4DMC QA, based on the 4DdefDOSXYZnrc user code, has been developed in python. The workflow has been tested and verified using an in-house developed dosi...

Journal: :Physics in medicine and biology 2015
Hugo Bouchard Jacco de Pooter Alex Bielajew Simon Duane

With the advent of MRI-guided radiotherapy, reference dosimetry must be thoroughly addressed to account for the effects of the magnetic field on absorbed dose to water and on detector dose response. While Monte Carlo plays an essential role in reference dosimetry, it is also crucial for determining quality correction factors in these new conditions. The Fano cavity test is recognized as fundame...

Journal: :Physics and Imaging in Radiation Oncology 2018

F. Bouzarjomehri, M. Rezaie Yazdi,

Background: The radiation dose received by contralateral breast (CLB) is one of the concerns of breast radiotherapy, because it may lead to the induction of secondary breast cancer. The aim of this study was to evaluate the CLB surface dose in the breast treatment in Yazd radiotherapy center. Materials and Methods: The surface dose of CLB was measured using TLD dosimetry in 50 cancer breast pat...

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