Application of Monte Carlo calculations for validation of a treatment planning system in high dose rate brachytherapy

被引：13

作者：

Naseri, Alireza ^{[1
,2
]}

Mesbahi, Asghar ^{[1
,2
]}

机构：

[1] Tabriz Univ Med Sci, IMAM Hosp, Radiat Therapy Dept, Tabriz, Iran

[2] Tabriz Univ Med Sci, Med Sch, Med Phys Dept, Tabriz, Iran

来源：

REPORTS OF PRACTICAL ONCOLOGY AND RADIOTHERAPY | 2009年 / 14卷 / 06期

关键词：

Brachytherapy; High dose rate;

D O I：

10.1016/j.rpor.2009.12.003

中图分类号：

R73 [肿瘤学];

学科分类号：

100214 ;

摘要：

Aim: The accuracy of treatment planning systems is of vital importance in treatment outcomes in brachytherapy. In the current study the accuracy of dose calculations of a high dose rate (HDR) brachytherapy treatment planning system (TPS) was validated using the Monte Carlo method. Materials and methods: Three Co-60 sources of the GZP6 afterloading brachytherapy system were modelled using MCNP4C Monte Carlo (MC) code. The dose distribution around all the sources was calculated by MC and a dedicated treatment planning system. The results of both methods were compared. Results: There was good agreement (<2%) between TPS and MC calculated dose distributions except at a point near the sources (<1 cm) and beyond the tip of the sources. Conclusions: Our study confirmed the accuracy of TPS calculated dose distributions for clinical use in HDR brachytherapy. (C) 2009 Wielkopolskie Centrum Onkologii. Published by Elsevier Urban & Partner Sp. z.o.o. All rights reserved.

引用

页码：200 / 204

页数：5

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