ESTRO-EPTN radiation dosimetry guidelines for the acquisition of proton pencil beam modelling data

IF 3.4 Q2 ONCOLOGY Physics and Imaging in Radiation Oncology Pub Date : 2024-07-01 DOI:10.1016/j.phro.2024.100621

Carles Gomà , Katrin Henkner , Oliver Jäkel , Stefano Lorentini , Giuseppe Magro , Alfredo Mirandola , Lorenzo Placidi , Michele Togno , Marie Vidal , Gloria Vilches-Freixas , Jörg Wulff , Sairos Safai

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Abstract

Proton therapy (PT) is an advancing radiotherapy modality increasingly integrated into clinical settings, transitioning from research facilities to hospital environments. A critical aspect of the commissioning of a proton pencil beam scanning delivery system is the acquisition of experimental beam data for accurate beam modelling within the treatment planning system (TPS). These guidelines describe in detail the acquisition of proton pencil beam modelling data. First, it outlines the intrinsic characteristics of a proton pencil beam—energy distribution, angular-spatial distribution and particle number. Then, it lists the input data typically requested by TPSs. Finally, it describes in detail the set of experimental measurements recommended for the acquisition of proton pencil beam modelling data—integrated depth-dose curves, spot maps in air, and reference dosimetry. The rigorous characterization of these beam parameters is essential for ensuring the safe and precise delivery of proton therapy treatments.

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ESTRO-EPTN 质子铅笔束建模数据采集辐射剂量学指南

质子治疗（PT）是一种不断发展的放射治疗方式，它越来越多地融入临床环境，从研究设施过渡到医院环境。质子铅笔束扫描传输系统调试的一个关键环节是获取实验射束数据，以便在治疗计划系统（TPS）中进行精确的射束建模。本指南详细描述了质子铅笔束建模数据的获取。首先，它概述了质子铅笔束的内在特征--能量分布、角空间分布和粒子数。然后，它列出了 TPS 通常要求的输入数据。最后，它详细描述了为获取质子铅笔束建模数据而建议进行的一系列实验测量--综合深度-剂量曲线、空气中的光斑图和参考剂量测定。这些射束参数的严格表征对于确保安全、精确地进行质子治疗至关重要。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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