中文版 | English
Title

ArcCHECK-3DVH剂量验证系统在宫颈癌容积旋转调强放射治疗三维剂量验证中的应用

Alternative Title
The Application of ArcCHECK-3DVH Dose Verification System in Three Dimensional Dose Verification of Volumetric Modulated Arc Therapy for Cervical Cancer
Author
Publication Years
2022
DOI
Source Title
ISSN
1002-2376
Volume35Issue:21Pages:1-5
Abstract
目的 探讨ArcCHECK-3DVH剂量验证系统在宫颈癌容积旋转调强放射治疗(VMAT)三维剂量验证中的应用.方法 选取2021年1-12月于医院行VMAT的20例宫颈癌术后患者,利用ArcCHECK-3DVH剂量验证系统进行计划验证,比较ArcCHECK-3DVH剂量验证系统重建剂量与治疗计划系统(TPS)计算剂量的三维γ通过率,以及计划靶区(PTV)的98%体积受量(D98%)、2%体积受量(D2%)、平均剂量(Dmean)与危及器官剂量参数.结果 20例宫颈癌患者的PTV和危及器官的整体3 mm/3%γ通过率为(93.58±2.9)%.PTV和危及器官的ArcCHECK-3DVH剂量验证系统重建剂量均大于TPS计算剂量.PTV的D98%、D2%和Dmean的ArcCHECK-3DVH剂量验证系统重建值与TPS计算值的差异分别为(0.95±0.80)%、(2.93±1.38)%和[2.0(1.42,2.17)]%,均小于3%,且差异有统计学意义(P<0.05).小肠、直肠、膀胱和左右股骨头的3 mm/3%γ通过率均大于95%,骨髓的γ通过率为(94.79±2.70)%,均满足临床要求.左右侧股骨头的V40和V30的ArcCHECK-3DVH剂量验证系统重建值与TPS计算值差异较大,分别为V40[34.05(18.86,62.89)%,29.88(20.61,52.11)%]和V30[(14.51±8.44)%,11.01(8.02,13.90)%],且差异有统计学意义(P<0.05);除膀胱的V20及骨髓的V20、V10外,危及器官其他剂量参数的ArcCHECK-3DVH剂量验证系统重建值与TPS计算值的差异均有统计学意义(P<0.05).结论 ArcCHECK-3DVH剂量验证系统应用于宫颈癌VMAT三维剂量验证中,可以提供PTV和危及器官的测量重建剂量和TPS计算剂量的具体差异,有助于提高计划验证的准确性.
Keywords
URL[Source Record]
Language
Chinese
SUSTech Authorship
First
Funding Project
19A200096:海南省卫生计生行业科研项目
Data Source
WanFang
WanFangID
ylzb202221001
Citation statistics
Cited Times [WOS]:0
Document TypeJournal Article
Identifierhttp://kc.sustech.edu.cn/handle/2SGJ60CL/531375
DepartmentShenzhen People's Hospital
Affiliation
深圳市人民医院(暨南大学第二临床医学院,南方科技大学第一附属医院)放疗科 广东深圳 518010
First Author AffilicationShenzhen People's Hospital
First Author's First AffilicationShenzhen People's Hospital
Recommended Citation
GB/T 7714
陈伟思,史亚滨,陈洪涛,等. ArcCHECK-3DVH剂量验证系统在宫颈癌容积旋转调强放射治疗三维剂量验证中的应用[J]. 医疗装备,2022,35(21):1-5.
APA
陈伟思.,史亚滨.,陈洪涛.,郑芳.,张定.,...&钟鹤立.(2022).ArcCHECK-3DVH剂量验证系统在宫颈癌容积旋转调强放射治疗三维剂量验证中的应用.医疗装备,35(21),1-5.
MLA
陈伟思,et al."ArcCHECK-3DVH剂量验证系统在宫颈癌容积旋转调强放射治疗三维剂量验证中的应用".医疗装备 35.21(2022):1-5.
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