Study of IAEA TRS-398 and Its Application in Clinical Dosimetry

ZHANG Xi; ZHANG Shaogang; WANG Kun

doi:10.12338/j.issn.2096-9015.2020.0267

Volume 65 Issue 11

Nov. 2021

Turn off MathJax

Article Contents

Article Navigation > Metrology Science and Technology > 2021 > 65(11): 19-23

ZHANG Xi, ZHANG Shaogang, WANG Kun. Study of IAEA TRS-398 and Its Application in Clinical Dosimetry[J]. Metrology Science and Technology, 2021, 65(11): 19-23. doi: 10.12338/j.issn.2096-9015.2020.0267

Citation:

ZHANG Xi, ZHANG Shaogang, WANG Kun. Study of IAEA TRS-398 and Its Application in Clinical Dosimetry[J]. Metrology Science and Technology, 2021, 65(11): 19-23. doi: 10.12338/j.issn.2096-9015.2020.0267

ZHANG Xi, ZHANG Shaogang, WANG Kun. Study of IAEA TRS-398 and Its Application in Clinical Dosimetry[J]. Metrology Science and Technology, 2021, 65(11): 19-23. doi: 10.12338/j.issn.2096-9015.2020.0267

Citation:

PDF( 532 KB)

Study of IAEA TRS-398 and Its Application in Clinical Dosimetry

doi: 10.12338/j.issn.2096-9015.2020.0267

ZHANG Xi^1
,,
ZHANG Shaogang²,
WANG Kun^{1
,
,}

1.
National Institute of Metrology, Beijing 100029, China
2.
Department of Radiotherapy, Beijing Hospital, Beijing 100730, China

Available Online: 2021-08-18
Publish Date: 2021-11-01

Abstract

Abstract

The advantages of the direct measurement method for absorbed dose to water in Report TRS-398 were studied. This is a promising method for determining prescription dose in clinical applications and reducing the uncertainty of clinical radiotherapy dosimetry. By introducing the conditions and methods for directly measuring the absorbed dose to water under different kinds of radiation, part of the experimental data based on TRS-398 report measurement method is summarized. The results show that the repeatability of the direct measurement method is less than 0.5% and the uncertainty of dose measurement is less than 2%. The direct measurement method for absorbed dose to water meets the uncertainty requirement of clinical dose outputs, i.e. less than 5% (k=1). These results provide a theoretical basis for updating the method of dose output measurement in clinical radiotherapy.
- absorbed dose to water,
- beam quailty conversion factor,
- calibration factor of absorbed dose to water,
- radiation therapy,
- ionization chamber

FullText(HTML)

References(15)

References

[1]	国家质量技术监督局. 医用加速器治疗辐射源中华人民共和国国家计量检定规程: JJG589-2008[S]. 北京: 国家质量监督检验检疫总局, 2008.
[2]	IAEA. Absobed dose determination in photon and electron beams an international code of practice. Technical reports series No. 277[R]. Vienna: International Atomic Energy Agency, 1997.
[3]	IAEA. The use of plane parallel ionization chamber in high energy electron and photon beams an international code of practice for dosimetry. Technical reports series No 381[R]. Vienna: International Atomic Energy Agency, 1997.
[4]	IAEA. Absobed dose determination in External Beam Radiotherapy: An international Code of practice for Dosimetry based on Standards of Absorbed Dose to Water. Technical reports series No. 398[R]. Vienna: International Atomic Energy Agency, 2000.
[5]	王志鹏, 王坤, 金孙均, 等. 医用加速器高能光子束水吸收剂量测量及不确定度分析[J]. 计量学报, 2019, 40(6): 1124-1128. doi: 10.3969/j.issn.1000-1158.2019.06.30
[6]	宋明哲, 王坤, 叶宏生, 等. ⁶⁰Coγ射线水吸收剂量量值传递方法初步研究[J]. 同位素, 2015, 28(1): 28-32. doi: 10.7538/tws.2015.28.01.0028
[7]	罗琛, 范耀东, 王坤, 等. 北京地区医用加速器高能光子水吸收剂量398、277报告的量值验证[J]. 计量学报, 2021, 42(1): 100-104.
[8]	范耀东, 罗琛, 金孙均, 等. 基于IAEA TRS398报告的加速器水吸收剂量测量方法[J]. 计量技术, 2019(10): 7-10.
[9]	张绍刚. 低能X射线输出量的测算与质量保证[J]. 计量技术, 2018(6): 14-16.
[10]	李玉, 徐慧军. 现代肿瘤放射物理学[M]. 北京: 中国原子能出版社, 2015: 315-319.
[11]	张辉, 胡家成. 医用质子加速器及其吸收剂量的测量[J]. 现代测量与实验室管理, 2002(4): 14-17. doi: 10.3969/j.issn.1673-8764.2002.04.006
[12]	戴迎初, 陆嘉德, 周光明. 重离子治疗肿瘤的生物学基础研究进展[J]. 中华放射医学与防护杂志, 2020(3): 247-252. doi: 10.3760/cma.j.issn.0254-5098.2020.03.016
[13]	陈明, 王瑾. 重离子治疗癌症的原理和现状[J]. 中华放射肿瘤学杂志, 2011(5): 447-449. doi: 10.3760/cma.j.issn.1004-4221.2011.05.027
[14]	金孙均, 王坤, 王志鹏, 等. 重离子束水吸收剂量的电离法实验研究[J]. 原子能科学技术, 2020, 54(9): 1722-1728. doi: 10.7538/yzk.2020.youxian.0092
[15]	OSINGA-BLÄTTERMANN, BRONS S, GREI-LICH S, et al. Direct determination of k_Q for farmer-type ionization chambers in a clinical scanned carbon ion beam using water calorimetry[J]. Physics in Medicine and Biology, 2017, 62: 2033-2054. doi: 10.1088/1361-6560/aa5bac