1 Affiliation 1
2 Affiliation 2
Radiochromic film dosimetry has long been an important and valuable quality assurance (QA) tool for high-resolution two-dimensional dose verification in radiotherapy (RT) treatment plans, mainly due to its desirable properties as a dosimeter and its relatively simple setup for irradiation and processing. However, the lack of open source software for film analysis has limited its widespread use, particularly in facilities with constrained economic resources that cannot afford commercial software. To address this gap, we developed FilmQADose, an open source, Python-based software for radiochromic film analysis that allows users to modify the source code and incorporate new functionalities. The main features of FilmQADose include the generation of various calibration functions, film digitization filtering and noise reduction, two-dimensional dose map generation using single and multichannel methods, and plan-to-film comparison tools using DICOM RT files from treatment planning systems (TPS), including Γ analysis and multiple visualization options. The software workflow was evaluated on single-field, pyramidal, and breast IMRT treatment plans. The initial version of FilmQADose has demonstrated to be a useful, reliable, and user-friendly tool for radiochromic film analysis, enabling accurate and reproducible RT plan verification. By improving the accessibility and adoption of film-based QA, particularly in developing countries, this software has the potential to become a valuable alternative for ensuring the safety of radiation treatments.
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FilmQADose: a free software alternative for radiochromic film dosimetry quality assurance Authors In Journal, 20XX. |
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