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Polymer gel dosimetry

Citation

Baldock, C and De Deene, Y and Doran, S and Ibbott, G and Jirasek, A and Lepage, M and McAuley, KB and Oldham, M and Schreiner, LJ, Polymer gel dosimetry, Physics in Medicine and Biology, 55, (5) pp. R1-R63. ISSN 0031-9155 (2010) [Refereed Article]

Copyright Statement

2010 Institute of Physics and Engineering in Medicine

DOI: doi:10.1088/0031-9155/55/5/R01

Abstract

Polymer gel dosimeters are fabricated from radiation sensitive chemicals which, upon irradiation, polymerize as a function of the absorbed radiation dose. These gel dosimeters, with the capacity to uniquely record the radiation dose distribution in three-dimensions (3D), have specific advantages when compared to one-dimensional dosimeters, such as ion chambers, and two-dimensional dosimeters, such as film. These advantages are particularly significant in dosimetry situations where steep dose gradients exist such as in intensity-modulated radiation therapy (IMRT) and stereotactic radiosurgery. Polymer gel dosimeters also have specific advantages for brachytherapy dosimetry. Potential dosimetry applications include those for low-energy x-rays, high-linear energy transfer (LET) and proton therapy, radionuclide and boron capture neutron therapy dosimetries. These 3D dosimeters are radiologically soft-tissue equivalent with properties that may be modified depending on the application. The 3D radiation dose distribution in polymer gel dosimeters may be imaged using magnetic resonance imaging (MRI), optical-computerized tomography (optical-CT), x-ray CT or ultrasound. The fundamental science underpinning polymer gel dosimetry is reviewed along with the various evaluation techniques. Clinical dosimetry applications of polymer gel dosimetry are also presented.

Item Details

Item Type:Refereed Article
Keywords:brachytherapy, dose gradients, gel dosimeter, linear energy transfer, polymer gel dosimeter
Research Division:Physical Sciences
Research Group:Other Physical Sciences
Research Field:Medical Physics
Objective Division:Health
Objective Group:Other Health
Objective Field:Health not elsewhere classified
Author:Baldock, C (Professor Clive Baldock)
ID Code:116146
Year Published:2010
Web of Science® Times Cited:314
Deposited By:Research Operations
Deposited On:2017-05-02
Last Modified:2017-08-29
Downloads:0

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