MONTE CARLO CALCULATION OF DOSIMETRIC CHARACTERISTICS OF 192 I SOURCE USED IN BRACHYTHERAPHY AND COMPARISON WITH TLD RESULTS

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TAVAKOLI M.; PADAR R.

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Journal: IRANIAN JOURNAL OF MEDICAL PHYSICS Year:2003 | Volume:1 | Issue:3 Page(s): 1-8

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Title

MONTE CARLO CALCULATION OF DOSIMETRIC CHARACTERISTICS OF 192 I SOURCE USED IN BRACHYTHERAPHY AND COMPARISON WITH TLD RESULTS

Author(s)

TAVAKOLI M. | PADAR R. | Issue Writer Certificate

Keywords

BRACHYTHERAPYQ4

RADIAL DOSEQ3

DOSE RATE CONSTANTQ4

MONTE CARLO SIMULATIONQ4

Abstract

Introduction: One of the main parameters in a successful BRACHYTHERAPY treatment of cancers is dose calculation. 1921 is a radioactive choice for interstitial of the cancers. To deliver an accurate predefined dose to the tumor it is necessary to use a suitable dosimetric method. One of these methods is MONTE CARLO SIMULATION and dose calculation. Materials & Methods: In this investigation MCNP4B Monte Carlo Codes are used to calculate depth dose at different distances from two types of 1921sources, one with one centimeter length and 0.1 mm diameter as a line source and the other with 0.5cm with 0.3 mm diameter as a point source. F4 and F6 tallies of the MCNP4B codes are used to calculate air kerma, exposure rate, and radial' doses at different points in a Plexiglas and water phantoms. Result & Discussion: Obtained air kerma strength and exposure for wire source are 3.87 ?Gy.m2.h-1 and 4.42 ?R.m2.h-1 and for point source are 3.6287 ?Gym2.h-1 and 4.13 ?R.m2.h-1 respectively. Obtained DOSE RATE CONSTANT for wire source using F4 and F6 tallies were the same and equal to 1.13 cGy.U-1.h-l with a 4.4% differences with experimental results measured by TLD method. Experimental results measured by TLD method are more in confirmation when F6 tally is used in Comparison with F4.

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APA: Copy

TAVAKOLI, M., & PADAR, R.. (2003). MONTE CARLO CALCULATION OF DOSIMETRIC CHARACTERISTICS OF 192 I SOURCE USED IN BRACHYTHERAPHY AND COMPARISON WITH TLD RESULTS. IRANIAN JOURNAL OF MEDICAL PHYSICS, 1(3), 1-8. SID. https://sid.ir/paper/97033/en

Vancouver: Copy

TAVAKOLI M., PADAR R.. MONTE CARLO CALCULATION OF DOSIMETRIC CHARACTERISTICS OF 192 I SOURCE USED IN BRACHYTHERAPHY AND COMPARISON WITH TLD RESULTS. IRANIAN JOURNAL OF MEDICAL PHYSICS[Internet]. 2003;1(3):1-8. Available from: https://sid.ir/paper/97033/en

IEEE: Copy

M. TAVAKOLI, and R. PADAR, “MONTE CARLO CALCULATION OF DOSIMETRIC CHARACTERISTICS OF 192 I SOURCE USED IN BRACHYTHERAPHY AND COMPARISON WITH TLD RESULTS,” IRANIAN JOURNAL OF MEDICAL PHYSICS, vol. 1, no. 3, pp. 1–8, 2003, [Online]. Available: https://sid.ir/paper/97033/en

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