Department for dosimetry and quality of radiological procedures, Institute of Oncology Ljubljana, Ljubljana, Slovenia.
Centro Nacional de Dosimetría, INGESA, Valencia, Spain.
Radiol Oncol. 2021 Aug 10;55(3):369-378. doi: 10.2478/raon-2021-0034.
Radiochromic films have many applications in radiology and radiation therapy. Generally, the dosimetry system for radiochromic film dosimetry is composed of radiochromic films, flatbed scanner, and film analysis software. The purpose of this work is to present the effectiveness of a protocol for accurate radiochromic film dosimetry using Radiochromic.com as software for film analysis.
Procedures for image acquisition, lot calibration, and dose calculation are explained and analyzed. Radiochromic.com enables state-of-the-art models and corrections for radiochromic film dosimetry, such as the Multigaussian model for multichannel film dosimetry, and lateral, inter-scan, and re-calibration corrections of the response.
The protocol presented here provides accurate dose results by mitigating the sources of uncertainty that affect radiochromic film dosimetry.
Appropriate procedures for film and scanner handling in combination with Radiochromic.com as software for film analysis make easy and accurate radiochromic film dosimetry feasible.
放射色膜在放射学和放射治疗中有许多应用。一般来说,放射色膜剂量测定的剂量测定系统由放射色膜、平板扫描仪和膜分析软件组成。本工作的目的是介绍使用 Radiochromic.com 作为膜分析软件准确进行放射色膜剂量测定的方案的有效性。
解释和分析了图像采集、批量校准和剂量计算的程序。Radiochromic.com 支持放射色膜剂量测定的最先进的模型和校正,例如多通道膜剂量测定的多高斯模型,以及响应的横向、扫描间和重新校准校正。
本文提出的方案通过减轻影响放射色膜剂量测定的不确定来源,提供了准确的剂量结果。
将适当的膜和扫描仪处理程序与 Radiochromic.com 作为膜分析软件相结合,使简单准确的放射色膜剂量测定成为可能。