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Methodology for radiochromic film analysis using FilmQA Pro and ImageJ

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  • Michelle E Howard
  • Michael G Herman
  • Michael P Grams

Abstract

Radiochromic film (RCF) has several advantageous characteristics which make it an attractive dosimeter for many clinical tasks in radiation oncology. However, knowledge of and strict adherence to complicated protocols in order to produce accurate measurements can prohibit RCF from being widely adopted in the clinic. The purpose of this study was to outline some simple and straightforward RCF fundamentals in order to help clinical medical physicists perform accurate RCF measurements. We describe a process and methodology successfully used in our practice with the hope that it saves time and effort for others when implementing RCF in their clinics. Two RCF analysis software programs which differ in cost and complexity, the commercially available FilmQA Pro package and the freely available ImageJ software, were used to show the accuracy, consistency and limitations of each. The process described resulted in a majority of the measurements across a wide dose range to be accurate within ± 2% of the intended dose using either FilmQA Pro or ImageJ.

Suggested Citation

  • Michelle E Howard & Michael G Herman & Michael P Grams, 2020. "Methodology for radiochromic film analysis using FilmQA Pro and ImageJ," PLOS ONE, Public Library of Science, vol. 15(5), pages 1-12, May.
    • Handle: RePEc:plo:pone00:0233562
    DOI: 10.1371/journal.pone.0233562
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