[1]李玉成,程品晶,单国平,等. 基于EDose软件电子射野影像系统的调强剂量验证[J].中国医学物理学杂志,2018,35(1):1-4.[doi:DOI:10.3969/j.issn.1005-202X.2018.01.001]
 LI Yucheng,CHENG Pinjing,SHAN Guoping,et al. EDose software-based electronic portal imaging device for dosimetric verification of intensity-modulated radiotherapy plan[J].Chinese Journal of Medical Physics,2018,35(1):1-4.[doi:DOI:10.3969/j.issn.1005-202X.2018.01.001]
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 基于EDose软件电子射野影像系统的调强剂量验证()
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《中国医学物理学杂志》[ISSN:1005-202X/CN:44-1351/R]

卷:
35卷
期数:
2018年第1期
页码:
1-4
栏目:
医学放射物理
出版日期:
2018-02-07

文章信息/Info

Title:
 EDose software-based electronic portal imaging device for dosimetric verification of intensity-modulated radiotherapy plan
文章编号:
1005-202X(2018)01-0001-04
作者:
 李玉成1程品晶1单国平2陈祥1邵凯南2杨一威2李浦2陈维军3
 1.南华大学核科学技术学院, 湖南 衡阳 421001; 2.浙江省肿瘤医院, 浙江 杭州 311400; 3.浙江省人民医院, 浙江 杭州 311400
Author(s):
 LI Yucheng1 CHENG Pinjing1 SHAN Guoping2 CHEN Xiang1 SHAO Kainan2 YANG Yiwei2 LI Pu2 CHEN Weijun3
 1. School of Nuclear Science and Technology, University of South China, Hengyang 421001, China; 2. Zhejiang Cancer Hospital, Hangzhou 311400, China; 3. Zhejiang Provincial People’s Hospital, Hangzhou 311400, China
关键词:
 电子射野影像系统调强放射治疗剂量验证γ通过率
Keywords:
 Keywords: electronic portal imaging device intensity-modulated radiotherapy dosimetric verification gamma passing rate
分类号:
R815
DOI:
DOI:10.3969/j.issn.1005-202X.2018.01.001
文献标志码:
A
摘要:
 目的:探讨电子射野影像系统(EPID)用于调强放射治疗三维剂量验证的可行性。 方法:分别使用Varian 公司的Trilogy加速器自带的EPID及EDose软件和美国Sun Nuclear公司的Mapcheck剂量验证系统及配套模体对10例调强放射治疗的患者进行剂量验证,记录并比较分析两种系统的绝对剂量和相对剂量γ通过率的相关性。 结果:采用γ(3%/3 mm)标准时,相对剂量EPID和Mapcheck验证的γ通过率分别为(98.51%±1.10%)、(98.73%±0.69%);绝对剂量EPID和Mapcheck验证的γ通过率分别为(96.50%±3.33%)、(97.64%±1.51%),两者均无统计学意义(P>0.05)。其它标准的γ通过率有统计学意义。 结论:EPID可以作为调强三维剂量验证的工具,比Mapcheck更方便快捷。
Abstract:
 Abstract: Objective To investigate the feasibility of electronic portal imaging device (EPID) for the three-dimensional dosimetric verification of intensity-modulated radiotherapy (IMRT) plan. Methods The IMRT plans of 10 patients were verified with two systems, namely EDose software-based EPID of Varian Trilogy Linacs and Mapcheck system from Sun Nuclear Corporation with the matching phantom. The gamma passing rates of absolute dose and relative dose in two systems was recorded and analyzed. Results When the gamma standard (3%/3 mm) was applied, the gamma passing rates of relative doses in EPID and Mapcheck system were (98.51%±1.10%) and (98.73%±0.69%), respectively, and those of absolute doses were (96.50%±3.33%) and (97.64%±1.51%), respectively, without any statistical differences (P>0.05). For the other standards, the differences in gamma passing rates between EPID and Mapcheck system were statistically significant. Conclusion EPID is more convenient and efficient than Mapcheck system and can be used as a tool for three-dimensional dosimetric verification of IMRT plan.

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备注/Memo

备注/Memo:
 【收稿日期】2017-09-28
【基金项目】国家重点研发计划(2017YFC0113201);浙江省医药卫生科技计划项目(2017PY014)
【作者简介】李玉成,在读硕士,研究方向:放射物理治疗,E-mail: liyucheng0402@163.com
【通信作者】陈维军,高级工程师,研究方向:放射物理治疗,E-mail:chenvj@163.com
更新日期/Last Update: 2018-01-25