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Revista mexicana de física
versión impresa ISSN 0035-001X
Resumen
TORRES HOYOS, F.; DE LA ESPRIELLA VELEZ, N. y SANCHEZ CARABALLO, A.. Quality control of the breast ca treatments on HDR brachytherapy with TLD-100. Rev. mex. fis. [online]. 2014, vol.60, n.6, pp.409-413. ISSN 0035-001X.
An anthropomorphic Phantom, a female trunk, was built with a natural bone structure and experimental material coated, glycerin and water-based material called JJT to build soft tissue equivalent to the muscle of human tissue, and a polymer (styrofoam) to build the lung as critical organ to simulate the treatment of breast cancer, with high dose rate brachytherapy (HDR) and sources of Ir-192. The treatments were planned and calculated for the critical organ: Lung, and injury of 2 cm in diameter in breast with MicroSelectron HDR system and the software Plato Brachytherapy V 14.1 of the Nucletron (Netherlands) which uses the standard protocol of radiotherapy for brachytherapy treatments. The dose experimentally measured with dosimeters TLD-100 LIF: Mg; Ti, which were previously calibrated, were placed in the same positions and bodies mentioned above, with less than 5% uncertainty. The reading dosimeters was carried out in a Harshaw TLD 4500.The results obtained for calculated treatments, using the standard simulator, and the experimental with TLD-100, show a high concordance, as they are on average a ± 1.1% making process becomes in a quality control of this type of treatments.
Palabras llave : TLD-100; anthropomorphic phantom; brachytherapy HDR; breast.