Calibration of 90Sr /90Y Ophthalmic Brachytherapy Planar Sources Using Thermoluminescent Samples, a PMMA Phantom and Monte Carlo Simulation
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2023
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INTERNATIONAL CONFERENCE ON SOLID STATE DOSIMETRY, 20th
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Resumo
In some parts of Brazil, 90Sr/90Y clinical applicators are still used for dermatological and
ophthalmic treatments, despite the availability of new technologies worldwide and the use of
Ru-106/Rh-106 Eye Applicator. This is because they are less expensive and easier to use. Calibration and
periodic recalibration of these applicators to verify the absorbed dose rate are essential to ensure accuracy
in clinical treatments. In this study, the thermoluminescent response of LiF pellets was evaluated to
determine the reproducibility, linearity of response, and dose-response curves. Dose rates for some clinical
applicators were determined using the LiF pellets, a PMMA phantom and the Monte Carlo method,
following a project based on ISO 21439 (2009). This standard recommends the use of small detectors such
as LiF for this type of calibration.
Como referenciar
LITVAC, DANIEL; CALDAS, LINDA. Calibration of 90Sr /90Y Ophthalmic Brachytherapy Planar Sources Using Thermoluminescent Samples, a PMMA Phantom and Monte Carlo Simulation. In: INTERNATIONAL CONFERENCE ON SOLID STATE DOSIMETRY, 20th, September 17-22, 2023, Viareggio, Italy. Abstract... Disponível em: https://repositorio.ipen.br/handle/123456789/47972. Acesso em: 17 May 2024.
Esta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.