Volume 11, Issue 2 (Iranian Journal of Physics Research, Summer 2011)                   IJPR 2011, 11(2): 215-218 | Back to browse issues page

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Bagheri G, Sakhaee M, Vahabi-Moghaddam M. Estimation of eye absorbed doses in head & neck radiotherapy practices using thermoluminescent detectors. IJPR. 2011; 11 (2) :215-218
URL: http://ijpr.iut.ac.ir/article-1-737-en.html
University of Birjand , rezabagher@gmail.com
Abstract:   (11721 Views)

 Determination of eye absorbed dose during head & neck radiotherapy is essential to estimate the risk of cataract. Dose measurements were made in 20 head & neck cancer patients undergoing 60Co radiotherapy using LiF(MCP) thermoluminescent dosimeters. Head & neck cancer radiotherapy was delivered by fields using SAD & SSD techniques. For each patient, 3 TLD chips were placed on each eye. Head & neck dose was about 700-6000 cGy in 8-28 equal fractions. The range of eye dose is estimated to be (3.49-639.1 mGy) with a mean of maximum dose (98.114 mGy), which is about 3 % of head & neck dose. Maximum eye dose was observed for distsnces of about 3 cm from edge of the field to eye.

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Type of Study: Research | Subject: General

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