Monte Carlo simulation to assess free space and end-weld thickness variation effects on dose rate for a new Ir-192 brachytherapy source

Angelocci, Lucas Verdi; de Souza, Carla Daruich; Pantelis, Evaggelos; Nogueira, Beatriz Ribeiro; Zeituni, Carlos Alberto; Chueri Martins Rostelato, Maria Elisa

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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Monte Carlo simulation to assess free space and end-weld thickness variation effects on dose rate for a new Ir-192 brachytherapy source

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Author(s):	Angelocci, Lucas Verdi ^[1] ; de Souza, Carla Daruich ^[1] ; Pantelis, Evaggelos ^[2] ; Nogueira, Beatriz Ribeiro ^[1] ; Zeituni, Carlos Alberto ^[1] ; Chueri Martins Rostelato, Maria Elisa ^[1] Total Authors: 6
Affiliation:	^[1] IPEN, Nucl & Energy Res Inst, Sao Paulo - Brazil ^[2] Natl & Kapodistrian Univ Athens, Med Sch, Med Phys Lab, Athens - Greece Total Affiliations: 2
Document type:	Journal article
Source:	Applied Radiation and Isotopes; v. 173, JUL 2021.
Web of Science Citations:	0
Abstract
A new Iridium-192 seed for brachytherapy is under development. Specific dose rate contribution by two different factors were evaluated: the effect from movement of the core in the free space within the seed and the effect of the end-weld thickness variation. Both were investigated through use of the Monte Carlo radiation transport code MCNP6 and an in-house routine programmed with MATLAB. Differences greater than 15% compared to results from the nominal seed were found near the source, indicating a significant dose variation. (AU)

FAPESP's process:	18/18526-2 - Radioactive Nanosource for Use in Brachytherapy
Grantee:	Carla Daruich de Souza
Support Opportunities:	Scholarships in Brazil - Post-Doctoral

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