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Analysis of corrected Cerenkov emission during electron radiotherapy by Monte Carlo method
Li, Yi1,2,4; Liu, Hongjun1,3; Huang, Nan1; Wang, Zhaolu1; Zhang, Chunmin2
作者部门瞬态光学研究室
2021-02
发表期刊Applied Radiation and Isotopes
ISSN09698043;18729800
卷号168
产权排序1
摘要

Cerenkov emission during electron radiotherapy had been emerging as a new dose assessment approach for clinical radiotherapy and could be imaged through a standard commercial camera. The purpose of this work aimed to study the accuracy of corrected Cerenkov emission method during electron radiotherapy by Monte Carlo (MC) method. GAMOS MC software was used to model the physics of electron therapy and calculated dose and Cerenkov photon distribution in water phantom. Compared to ionization chamber and diode measurement, MC simulated dose discrepancy was less than 1% in percentage depth dose (PDD) curves and less than. 2% in crossline profile curves, which was acceptable for clinical criterion. Compared to ionization chamber dose measurement, MC simulated Cerenkov discrepancy was less than 2% in crossline profile distribution, which was acceptable for clinical criterion. However, the Cerenkov PDD curves tended to overestimate the dose at the build-up region and underestimate the dose at the remaining attenuation region. After increasing the Cerenkov distribution depth to 2–3 mm, the discrepancy became well within 1% at the remaining attenuation region, which was acceptable for clinical criterion. Therefore, corrected Cerenkov emission could be used to assess PDD accuracy and crossline profile accuracy during electron radiotherapy. © 2020 Elsevier Ltd

关键词Corrected cerenkov emission Analysis Electron radiotherapy Monte Carlo
DOI10.1016/j.apradiso.2020.109481
收录类别SCI ; EI
语种英语
WOS记录号WOS:000605532900026
出版者Elsevier Ltd
EI入藏号20204409417426
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.opt.ac.cn/handle/181661/93771
专题瞬态光学研究室
通讯作者Liu, Hongjun; Zhang, Chunmin
作者单位1.State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an; 710119, China;
2.School of Physics, Xi'an Jiaotong University, Xi'an; 710049, China;
3.Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan; 030006, China;
4.University of Chinese Academy of Science, Beijing; 100084, China
推荐引用方式
GB/T 7714
Li, Yi,Liu, Hongjun,Huang, Nan,et al. Analysis of corrected Cerenkov emission during electron radiotherapy by Monte Carlo method[J]. Applied Radiation and Isotopes,2021,168.
APA Li, Yi,Liu, Hongjun,Huang, Nan,Wang, Zhaolu,&Zhang, Chunmin.(2021).Analysis of corrected Cerenkov emission during electron radiotherapy by Monte Carlo method.Applied Radiation and Isotopes,168.
MLA Li, Yi,et al."Analysis of corrected Cerenkov emission during electron radiotherapy by Monte Carlo method".Applied Radiation and Isotopes 168(2021).
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