A Practical Use for FXG Gel Dosimetry

In-phantom Fricke-xylenol orange-gelatin (FXG) gel dosimetry yields three dimensional (3D) dose data for intensity modulated radiation therapy (IMRT) treatment plan verification within 18–24 hours from the point of request. The information obtained from a 3% dose difference, 3 mm distance-to-agreeme...

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Bibliographic Details
Published in:Journal of physics. Conference series 2010-11, Vol.250 (1), p.012003, Article 012003
Main Authors: Olding, T, Salomons, G, Darko, J, Schreiner, L J
Format: Article
Language:English
Subjects:
Dosimeters
Dosimetry
Gamma function
Gelatin
Physics
Quality assurance
Radiation therapy
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Summary:In-phantom Fricke-xylenol orange-gelatin (FXG) gel dosimetry yields three dimensional (3D) dose data for intensity modulated radiation therapy (IMRT) treatment plan verification within 18–24 hours from the point of request. The information obtained from a 3% dose difference, 3 mm distance-to-agreement gamma function comparison between treatment plan dose and gel-measured dose then provides a useful secondary 3D quality assurance check of the treatment plan prior to delivery.
ISSN:1742-6596
1742-6588
1742-6596
DOI:10.1088/1742-6596/250/1/012003