A systematic review of clinical applications of polymer gel dosimeters in radiotherapy

Farhood, B. and Geraily, G. and Abtahi, S.M.M. (2019) A systematic review of clinical applications of polymer gel dosimeters in radiotherapy. Applied Radiation and Isotopes, 143. pp. 47-59.

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Abstract

Abstract: Radiotherapy has rapidly improved because of the use of new equipment and techniques. Hence, the appeal for a feasible and accurate three-dimensional (3D) dosimetry system has increased. In this regard, gel dosimetry systems are accurate 3D dosimeters with high resolution. This systematic review evaluates the clinical applications of polymer gel dosimeters in radiotherapy. To find the clinical applications of polymer gel dosimeters in radiotherapy, a full systematic literature search was performed on the basis of the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines in electronic databases up to January 31, 2017, with use of search-related terms in the titles and abstracts of articles. A total of 765 articles were screened in accordance with our inclusion and exclusion criteria. Eventually, 53 articles were included in the study. The findings show that most clinical applications of polymer gel dosimeters relate to external radiotherapy. Most of the gel dosimeters studied have acceptable dose accuracy as a 3D dosimeter with high resolution. It is difficult to judge which is the best polymer gel dosimeter to use in a clinical setting, because each gel dosimeter has advantages and limitations. For example, methacrylic acid–based gel dosimeters have high dose sensitivity and low toxicity, while their dose response is beam energy dependent; in contrast, N-isopropylacrylamide gel dosimeters have low dose resolution, but their sensitivity is lower and they are relatively toxic. Keywords: Polymer gel dosimetry Clinical application Radiotherapy Brachytherapy Neutron capture therapy

Item Type: Article
Additional Information: cited By 0
Subjects: Medicine
Physics and Astronomy
Divisions: Faculty of Medicine > Clinical Sciences > Department of Radiology
Depositing User: ART . editor
Date Deposited: 10 Feb 2019 15:57
Last Modified: 10 Feb 2019 15:57
URI: http://eprints.kaums.ac.ir/id/eprint/3470

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