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Dosimetric parameters of palladium-103 brachytherapy source with Monte Carlo simulation
  • ISSN号:1001-6538
  • 期刊名称:科学通报(英文版)
  • 时间:0
  • 页码:1304-1309
  • 语言:中文
  • 分类:O4[理学—物理]
  • 作者机构:[1]Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
  • 相关基金:Supported by the National Natural Science Foundation of China (Grant Nos. 10775174 and 90206044)
  • 相关项目:放射性14C及碳同位素比研究大气颗粒物中有机污染物的来源
中文摘要:

在新来源的临床的申请前,来源的 dosimetric 参数应该是精确地坚定的。这个工作被奉献给蒙特卡罗方法计算为模型 ADVANTAGE™ 在药(AAPM ) TG-43 指南由物理学家的美国协会推荐了的 dosimetric 参数palladium-103 来源并且通过有从为一样的来源的另一份出版报告的数据的比较,为临床的应用程序介绍建议数据集。从这些计算,表格被介绍因为光线的剂量功能和 palladium-103 brachytherapy 的 anisotropy 功能采购原料。剂量反应速率常数被发现是 0.671 (cGyh-1U-1 ) 在液体流水并且 0.673 (cGyh-1U-1 ) 在稳固的 Water™ 。并且在液体的 anisotropy 常数流水并且稳固的 Water™被发现分别地是 0.864 和 0.865。有以前的学习的比较证明我们 dosimetric 参数的结果在对 Meigooni 等测量并且计算的那些的好同意。(2006 ) 两个在水和稳固的 Water™ 里。

英文摘要:

Before clinical application of a new source, the dosimetric parameters of the source should be accurately determined. This work is dedicated to the Monte Carlo method to calculate dosimetric parameters as recommended by the American Association of Physicists in Medicine (AAPM) TG-43 guidelines for model ADVANTAGETM palladium-103 source and, through comparison with data from another published report for the same source, presents a suggested dataset for clinical applications. From these calcula- tions, tables are presented for the radial dose function and the anisotropy function of palladium-103 brachytherapy source. The dose rate constants are found to be 0.671 (cGyh-1U-1) in liquid water and 0.673 (cGyh-1U-1) in Solid WaterTM. And the anisotropy constants in liquid water and Solid WaterTM are found to be 0.864 and 0.865 respectively. Comparison with the previous study shows that our results of dosimetric parameters are in good agreement with those measured and calculated by Meigooni et al. (2006) both in Water and Solid Water^TM.

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