基于远程电子射野影像装置的静态和旋转调强放射治疗剂量学审核经验。
Experience with remote electronic portal imaging device-based dosimetric auditing for static and rotational intensity modulated radiotherapy.
作者信息
Greer Peter B, Lehmann Joerg, Moore Alisha
机构信息
Calvary Mater Newcastle Hospital, Locked Bag 7, Hunter Regional Mail Centre, Newcastle, 2310, New South Wales, Australia.
University of Newcastle, University Drive, Newcastle, 2308, New South Wales, Australia.
出版信息
Phys Imaging Radiat Oncol. 2024 Nov 24;32:100674. doi: 10.1016/j.phro.2024.100674. eCollection 2024 Oct.
The aim of this work was to evaluate results of a remote electronic portal imaging based dosimetric auditing method using Task-Group 218 clinical gamma evaluation criteria (3%,2 mm, 10% dose threshold). For intensity modulated radiation therapy the results were (mean ± 1 SD) 97.9 ± 4.5% with 31/34 audits passing (optimal level, 95%) and 3/34 audits failing (action level, 90%). For volumetric modulated arc therapy the results were 98.5 ± 2.3% with 32/36 audits passing (optimal level) and 4/36 passing (tolerance level, 90% and 95%). The audit has been successfully applied globally for clinical trial quality assurance.
这项工作的目的是使用任务组218临床伽马评估标准（3%，2毫米，10%剂量阈值）评估基于远程电子门静脉成像的剂量学审核方法的结果。对于调强放射治疗，结果为（平均值±1标准差）97.9±4.5%，34次审核中有31次通过（最佳水平，95%），34次审核中有3次未通过（行动水平，90%）。对于容积调强弧形放疗，结果为98.5±2.3%，36次审核中有32次通过（最佳水平），36次中有4次通过（耐受水平，90%和95%）。该审核已在全球范围内成功应用于临床试验质量保证。
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