2019
DOI: 10.29384/rbfm.2018.v12.n3.p39-44
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Dosimetria Interna em Medicina Nuclear com o Aplicativo GATE: avaliação do impacto do elemento de dose e do tipo de fonte

Abstract: A natureza estatística dos processos físicos envolvidos nos exames de medicina nuclear faz com que o uso do método de Monte Carlo (MC) seja uma ferramenta útil para cálculos da energia depositada e da dose absorvida nos órgãos, principalmente para avaliação de risco-benefício. O objetivo deste trabalho é avaliar as potencialidades e limitações do uso do aplicativo de simulação de Monte Carlo GATE (Geant4 Application for Emission Tomography) no cálculo da dosimetria interna em testes simulados de imagem de Medi… Show more

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“…Nuclear medicine can be characterized as the medical and radiological specialty that uses radioactive compounds for evaluation purposes, in order to present diagnosis for physiological conditions and also for therapeutic purposes, besides being able to contribute to more complex procedures, such as surgeries. One of its characteristics is the very high sensitivity, which helps a lot in the detection of pathophysiology of specific organs, this is only possible because of the use of substrates with radioactive atoms that integrate their interior composition and metabolizing substances that already exist in the human body, such as oxygen and glucose (Miguel, 2017, Dartora, 2018 These radioactive elements act more in the therapy and early diagnosis of pathologies that range from common pathologies such as inflammatory problems in the organs to more delicate pathologies such as cancer. It is important to point out that each specific type of radiopharmaceutical has a certain affinity with the organ to be studied and, at the same time, emits radiation during its use.…”
Section: Introductionmentioning
confidence: 99%
“…Nuclear medicine can be characterized as the medical and radiological specialty that uses radioactive compounds for evaluation purposes, in order to present diagnosis for physiological conditions and also for therapeutic purposes, besides being able to contribute to more complex procedures, such as surgeries. One of its characteristics is the very high sensitivity, which helps a lot in the detection of pathophysiology of specific organs, this is only possible because of the use of substrates with radioactive atoms that integrate their interior composition and metabolizing substances that already exist in the human body, such as oxygen and glucose (Miguel, 2017, Dartora, 2018 These radioactive elements act more in the therapy and early diagnosis of pathologies that range from common pathologies such as inflammatory problems in the organs to more delicate pathologies such as cancer. It is important to point out that each specific type of radiopharmaceutical has a certain affinity with the organ to be studied and, at the same time, emits radiation during its use.…”
Section: Introductionmentioning
confidence: 99%