一种用于放射治疗的新型PRESAGE制剂的研发与特性研究。
Development and characterization of a novel PRESAGE formulation for radiotherapy applications.
作者信息
Mostaar A, Hashemi B, Zahmatkesh M H, Aghamiri S M R, Mahdavi S R
机构信息
Department of Medical Physics and Biomedical Engineering, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
出版信息
Appl Radiat Isot. 2011 Oct;69(10):1540-5. doi: 10.1016/j.apradiso.2011.06.014. Epub 2011 Jul 1.
A novel water equivalent formulation of PRESAGE dosimeter more suitable for radiotherapy applications has been introduced and its radiological water equivalency has been investigated. Furthermore, its radiological properties have been compared with an existing PRESAGE formulation over an energy range from 10 to 20 MeV. Monte Carlo simulation method has been implemented to determine and compare depth dose profiles in both of the PRESAGE formulations at two different photon energies (140 KV(P) and 6 MV). The results show that our proposed PRESAGE formulation is more water equivalent than its known formulation especially for low photon energy beams.
一种更适合放射治疗应用的新型 PRESAGE 剂量计水等效配方已被引入，并对其放射学水等效性进行了研究。此外，在 10 至 20 MeV 的能量范围内，已将其放射学特性与现有的 PRESAGE 配方进行了比较。已采用蒙特卡罗模拟方法来确定和比较两种 PRESAGE 配方在两种不同光子能量（140 KV(P) 和 6 MV）下的深度剂量分布。结果表明，我们提出的 PRESAGE 配方比其已知配方具有更高的水等效性，特别是对于低光子能量束。
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