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Scientia Plena
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Dosimetria do Tl-201 em cintilografia de perfusão do miocárdio

Authors: Janine Muniz Toledo; Bruno Machado Trindade; Bruno Machado Trindade; Tarcísio Passos Ribeiro Campos; Tarcísio Passos Ribeiro Campos;

Dosimetria do Tl-201 em cintilografia de perfusão do miocárdio

Abstract

Este trabalho conduz ao estudo da cintilografia de perfusão miocárdica, e investigação da dosimetria espacial do TI-201 distribuído no miocárdio. Métodos e Resultados: A manipulação de dados radiológicos foi realizado a fim de criar um modelo computacional do voxel do coração. Um conjunto de imagens obtidas por angiotomografia da aorta torácica e abdominal forneceu informações anatômicas e funcionais para a modelagem do coração no código SISCODES. A distribuição homogênea do TI-201 foi assumido no músculo cardíaco. Simulações do transporte de partículas através dos voxels e a interação com os tecidos do coração foram realizadas através do MCNP – Código Monte Carlo. A distribuição espacial de dose no modelo de coração é apresentado, bem como o histograma dose versus volume no músculo cardíaco. Para validação do estudo foi utilizado um modelo analítico. Conclusão: A presente ferramenta computacional gerou distribuição de dose espacial na cintilografia de perfusão do miocárdio. Especialmente, a dosimetria realizada elucida a dose transmitida no músculo cardíaco por unidade de atividade injetada de Tl-201, o que pode contribuir para futuras investigações de efeitos determinísticos no coração.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
gold