TY - JOUR
TI - Monte Carlo simulation to assess free space and end-weld thickness variation effects on dose rate for a new Ir-192 brachytherapy source
AU - Angelocci, L.V.
AU - Daruich de Souza, C.
AU - Pantelis, E.
AU - Nogueira, B.R.
AU - Zeituni, C.A.
AU - Chueri Martins Rostelato, M.E.
JO - International Journal of Applied Radiation and Isotopes
PY - 2021
VL - 173
TODO - null
SP - null
PB - Elsevier Ireland Ltd
SN - 0020-708X
TODO - 10.1016/j.apradiso.2021.109709
TODO - Dosimetry;  Intelligent systems;  MATLAB;  Oncology;  Radiotherapy;  Welds, Brachytherapy;  Dose rate;  Free end;  Free spaces;  Iridium-192;  Iridium-192 seed;  Monte Carlo's simulation;  Source production;  Thickness variation;  Weld thickness, Monte Carlo methods, iridium 192;  iridium;  Iridium-192, anisotropy;  Article;  brachytherapy;  controlled study;  data analysis software;  dosimetry;  encapsulation;  Monte Carlo method;  process optimization;  radiation dose;  radiation response;  computer simulation;  human;  Monte Carlo method;  radiotherapy dosage, Brachytherapy;  Computer Simulation;  Humans;  Iridium Radioisotopes;  Monte Carlo Method;  Radiotherapy Dosage
TODO - 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. © 2021 Elsevier Ltd
ER -