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:: Volume 12, Issue 3 (7-2014) ::
Int J Radiat Res 2014, 12(3): 265-270 Back to browse issues page
Dosimetric characterization of a high dose rate 192I source for brachytherapy application using Monte Carlo simulation and benchmarking with thermoluminescent dosimetry
N. Babaei Bidmeshki Dr. , M. Sohrabpour , S.R. Mahdavi
Department of Energy Engineering, Sharif University of Technology, P.O. Box 1485893169, Tehran, Iran
Abstract:   (3517 Views)

Background: The purpose of this project was to derive the brachytherapy dosimetric functions described by American Association of Physicists in Medicine (AAPM) TG-43 U1 based on high dose rate 192I sources. Materials and Methods: The method utilized included both simulation of the designed Polymethyl methacrylate (PMMA) phantom using the Monte Carlo of MCNP4C and benchmarking of the simulation with thermoluminescent (TL) dosimeters. Results: The obtained results for the radial dose function and anisotropy function showed nominal errors of less than 3% between TL measurements and the MCNP4C results. Conclusion: It may be concluded that due to small observed errors and the large uncertainty associated with the high dose gradients near the source point the simulation results can be used for dose estimation.

Keywords: Brachytherapy, 192Ir flexisource, MCNP calculation, radiation dosimetry
Full-Text [PDF 558 kb]   (915 Downloads)    
Type of Study: Reviews and Perspectives | Subject: Medical Physics
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Babaei Bidmeshki N, Sohrabpour M, Mahdavi S. Dosimetric characterization of a high dose rate 192I source for brachytherapy application using Monte Carlo simulation and benchmarking with thermoluminescent dosimetry. Int J Radiat Res. 2014; 12 (3) :265-270
URL: http://ijrr.com/article-1-1285-en.html


Volume 12, Issue 3 (7-2014) Back to browse issues page
International Journal of Radiation Research
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