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Information Journal Paper

Title

MONTE CARLO DETERMINATION OF DOSIMETRIC PARAMETERS OF A NEW 125I BRACHYTHERAPY SOURCE ACCORDING TO AAPM TG-43 (U1) PROTOCOL

Pages

  186-191

Abstract

 BACKGROUND: 125I is one of the important sources frequently used in BRACHYTHERAPY. Up to now, several different commercial models of this source type have been introduced to the clinical radiation oncology applications. Recently, a new source model, IRSEED-125, has been added to this list. The aim of the present study is to determine the dosimetric parameters of this new source model based on the recommendations of TG-43 (U1) protocol using MONTE CARLO SIMULATION.METHODS: The DOSIMETRIC CHARACTERISTICS of Ir-125 including dose rate constant, radial dose function, 2D anisotropy function and 1D anisotropy function were determined inside liquid water using MCNPX code and compared to those of other commercially available iodine sources.RESULTS: The dose rate constant of this new source was found to be 0.983+0.015 cGyh-1U-1 that was in good agreement with the TLD measured data (0.965 cGyh-1U-1). The 1D anisotropy function at 3, 5, and 7 cm radial distances were obtained as 0.954, 0.953 and 0.959, respectively.CONCLUISON: The results of this study showed that the DOSIMETRIC CHARACTERISTICS of this new BRACHYTHERAPY source are comparable with those of other commercially available sources. Furthermore, the simulated parameters were in accordance with the previously measured ones. Therefore, the Monte Carlo calculated dosimetric parameters could be employed to obtain the dose distribution around this new BRACHYTHERAPY source based on TG-43 (U1) protocol.

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    APA: Copy

    BAGHANI, HAMIDREZA, LOHRABIAN, VAHID, AGHAMIRI, MAHMOUD REZA, & ROBATJAZI, MOSTAFA. (2016). MONTE CARLO DETERMINATION OF DOSIMETRIC PARAMETERS OF A NEW 125I BRACHYTHERAPY SOURCE ACCORDING TO AAPM TG-43 (U1) PROTOCOL. ARCHIVES OF IRANIAN MEDICINE, 19(3), 186-191. SID. https://sid.ir/paper/281386/en

    Vancouver: Copy

    BAGHANI HAMIDREZA, LOHRABIAN VAHID, AGHAMIRI MAHMOUD REZA, ROBATJAZI MOSTAFA. MONTE CARLO DETERMINATION OF DOSIMETRIC PARAMETERS OF A NEW 125I BRACHYTHERAPY SOURCE ACCORDING TO AAPM TG-43 (U1) PROTOCOL. ARCHIVES OF IRANIAN MEDICINE[Internet]. 2016;19(3):186-191. Available from: https://sid.ir/paper/281386/en

    IEEE: Copy

    HAMIDREZA BAGHANI, VAHID LOHRABIAN, MAHMOUD REZA AGHAMIRI, and MOSTAFA ROBATJAZI, “MONTE CARLO DETERMINATION OF DOSIMETRIC PARAMETERS OF A NEW 125I BRACHYTHERAPY SOURCE ACCORDING TO AAPM TG-43 (U1) PROTOCOL,” ARCHIVES OF IRANIAN MEDICINE, vol. 19, no. 3, pp. 186–191, 2016, [Online]. Available: https://sid.ir/paper/281386/en

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