The dose distribution surrounding 192Ir and 137Cs seed sources

C. Thomason; T. R. Mackie; M. J. Lindstrom; P. D. Higgins

doi:10.1088/0031-9155/36/4/006

The dose distribution surrounding ¹⁹²Ir and ¹³⁷Cs seed sources

C. Thomason, T. R. Mackie, M. J. Lindstrom, P. D. Higgins

Radiation Oncology

Research output: Contribution to journal › Article › peer-review

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Abstract

Dose distributions in water have been measured using LiF thermoluminescent dosimeters for ¹⁹²Ir seed sources with stainless steel and with platinum encapsulation to determine the effect of differing encapsulation. The dose distribution has also been measured for a ¹³⁷Cs seed source. In addition, dose distributions surrounding these sources have been calculated using the EGS4 Monte Carlo code and have been compared to the measured data. The two methods are in good agreement for all three sources. Tables are given which describe the dose distribution surrounding each source as a function of distance and angle. In addition, specific dose constants have been determined from results of Monte Carlo simulation. This work has confirmed the utility of the EGS4 Monte Carlo code in modelling ¹⁹²Ir and ¹³⁷Cs seed sources to obtain brachytherapy dose distributions.

Original language	English (US)
Article number	006
Pages (from-to)	475-493
Number of pages	19
Journal	Physics in Medicine and Biology
Volume	36
Issue number	4
DOIs	https://doi.org/10.1088/0031-9155/36/4/006
State	Published - Jan 1 1991

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title = "The dose distribution surrounding 192Ir and 137Cs seed sources",

abstract = "Dose distributions in water have been measured using LiF thermoluminescent dosimeters for 192Ir seed sources with stainless steel and with platinum encapsulation to determine the effect of differing encapsulation. The dose distribution has also been measured for a 137Cs seed source. In addition, dose distributions surrounding these sources have been calculated using the EGS4 Monte Carlo code and have been compared to the measured data. The two methods are in good agreement for all three sources. Tables are given which describe the dose distribution surrounding each source as a function of distance and angle. In addition, specific dose constants have been determined from results of Monte Carlo simulation. This work has confirmed the utility of the EGS4 Monte Carlo code in modelling 192Ir and 137Cs seed sources to obtain brachytherapy dose distributions.",

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T1 - The dose distribution surrounding 192Ir and 137Cs seed sources

AU - Thomason, C.

AU - Mackie, T. R.

AU - Lindstrom, M. J.

AU - Higgins, P. D.

PY - 1991/1/1

Y1 - 1991/1/1

N2 - Dose distributions in water have been measured using LiF thermoluminescent dosimeters for 192Ir seed sources with stainless steel and with platinum encapsulation to determine the effect of differing encapsulation. The dose distribution has also been measured for a 137Cs seed source. In addition, dose distributions surrounding these sources have been calculated using the EGS4 Monte Carlo code and have been compared to the measured data. The two methods are in good agreement for all three sources. Tables are given which describe the dose distribution surrounding each source as a function of distance and angle. In addition, specific dose constants have been determined from results of Monte Carlo simulation. This work has confirmed the utility of the EGS4 Monte Carlo code in modelling 192Ir and 137Cs seed sources to obtain brachytherapy dose distributions.

AB - Dose distributions in water have been measured using LiF thermoluminescent dosimeters for 192Ir seed sources with stainless steel and with platinum encapsulation to determine the effect of differing encapsulation. The dose distribution has also been measured for a 137Cs seed source. In addition, dose distributions surrounding these sources have been calculated using the EGS4 Monte Carlo code and have been compared to the measured data. The two methods are in good agreement for all three sources. Tables are given which describe the dose distribution surrounding each source as a function of distance and angle. In addition, specific dose constants have been determined from results of Monte Carlo simulation. This work has confirmed the utility of the EGS4 Monte Carlo code in modelling 192Ir and 137Cs seed sources to obtain brachytherapy dose distributions.

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The dose distribution surrounding ¹⁹²Ir and ¹³⁷Cs seed sources

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