Comparative study of different Al2O3:C dosimeters using OSL technique for dosimetry on Volumetric Modulated Arc Radiotherapy Treatment (VMAT)
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2016
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CONGRESSO BRASILEIRO DE FÍSICA MÉDICA, 21.
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In modern radiotherapy, the VMAT technique has become a successful treatment alternative. Due to its complexity, a quality assurance program must be established by evaluating, among other items, the dosimetric factors. This paper aims to compare the performance between the OSL aluminum oxide (Al2O3:C) nanoDot™ dosimeters (Inlight™ system) manufactured by Landauer Inc. and TLD-500 Al2O3:C dosimeters manufactured by Rexon™ for VMAT dosimetry using an anthropomorphic phantom. The results showed that both type of Al2O3:C dosimeters presented good repeatability and agreement between the doses measured and calculated by planning system. However, the need of sophisticated readers to OSL analysis of the TLD-500, turns it less practical for routine usage, comparing to Inlight™ system.
Keywords: OSL dosimetry; VMAT; Al2O3:C.
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VILLANI, DANIEL; MANCINI, ANSELMO; HADDAD, CECILIA M.K.; CAMPOS, LETICIA L. Comparative study of different Al2O3:C dosimeters using OSL technique for dosimetry on Volumetric Modulated Arc Radiotherapy Treatment (VMAT). In: CONGRESSO BRASILEIRO DE FÍSICA MÉDICA, 21., 24-27 de agosto, 2016, Florianópolis, SC. Proceedings... p. 1-5. Disponível em: http://repositorio.ipen.br/handle/123456789/27432. Acesso em: 30 Dec 2025.
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