18F-FES radiation dosimetry preliminary estimates for preclinical studies based on voxelized phantom

Small animals, such as mice, are used in radiopharmaceutical biodistribution studies and innumerous others preclinical investigations involving ionizing radiation. Longitudinal preclinical studies with five or more image procedures, involving radiopharmaceuticals injection and/or X-radiation, are no...

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Main Authors: Andréa Vidal Ferreira, Ana Carolina Araujo Bispo, Christiane Silva Leite, Juliana Batista da Silva, Marcelo Mamede, Rodrigo Modesto Gadelha Gontijo, Bruno Melo Mendes
Format: Article
Language:English
Published: Brazilian Radiation Protection Society (Sociedade Brasileira de Proteção Radiológica, SBPR) 2022-12-01
Series:Brazilian Journal of Radiation Sciences
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Online Access:https://bjrs.org.br/revista/index.php/REVISTA/article/view/2089
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author Andréa Vidal Ferreira
Ana Carolina Araujo Bispo
Christiane Silva Leite
Juliana Batista da Silva
Marcelo Mamede
Rodrigo Modesto Gadelha Gontijo
Bruno Melo Mendes
author_facet Andréa Vidal Ferreira
Ana Carolina Araujo Bispo
Christiane Silva Leite
Juliana Batista da Silva
Marcelo Mamede
Rodrigo Modesto Gadelha Gontijo
Bruno Melo Mendes
author_sort Andréa Vidal Ferreira
collection DOAJ
description Small animals, such as mice, are used in radiopharmaceutical biodistribution studies and innumerous others preclinical investigations involving ionizing radiation. Longitudinal preclinical studies with five or more image procedures, involving radiopharmaceuticals injection and/or X-radiation, are not uncommon. However, a suitable dosimetric evaluation is not always available and, sometimes, absorbed doses in animal organs or tissues and their influence in experimental results were not appropriately taken into account. Accurate calculation of absorbed doses in mice organs are needed to evaluate potential radiobiological effects that may interfere with in vivo experiments. In this work, we perform a preliminary 16α-[18F]-fluoro-17β-estradiol (18F-FES) radiation dosimetry estimates for female mice. The obtained animal dosimetric results can be useful for evaluating animal doses during the design of longitudinal preclinical studies.
format Article
id doaj-art-03fe8e7c79a14cd09feb1f3d7b2b907a
institution OA Journals
issn 2319-0612
language English
publishDate 2022-12-01
publisher Brazilian Radiation Protection Society (Sociedade Brasileira de Proteção Radiológica, SBPR)
record_format Article
series Brazilian Journal of Radiation Sciences
spelling doaj-art-03fe8e7c79a14cd09feb1f3d7b2b907a2025-08-20T02:39:08ZengBrazilian Radiation Protection Society (Sociedade Brasileira de Proteção Radiológica, SBPR)Brazilian Journal of Radiation Sciences2319-06122022-12-0110411210.15392/2319-0612.2022.2089170718F-FES radiation dosimetry preliminary estimates for preclinical studies based on voxelized phantomAndréa Vidal Ferreira0https://orcid.org/0000-0001-7698-4323Ana Carolina Araujo Bispo1https://orcid.org/0000-0002-1934-9881Christiane Silva Leite2https://orcid.org/0000-0003-3336-8912Juliana Batista da Silva3https://orcid.org/0000-0002-0794-1896Marcelo Mamede4https://orcid.org/0000-0001-5818-0954Rodrigo Modesto Gadelha Gontijo5Bruno Melo Mendes6https://orcid.org/0000-0002-8914-8022Centro de Desenvolvimento da Tecnologia Nuclear CDTN/CNENCentro de Desenvolvimento da Tecnologia NuclearCentro de Desenvolvimento da Tecnologia NuclearCentro de Desenvolvimento da Tecnologia NuclearUniversidade Federal de Minas Gerais (UFMG)Universidade Federal de Minas Gerais (UFMG)Centro de Desenvolvimento da Tecnologia NuclearSmall animals, such as mice, are used in radiopharmaceutical biodistribution studies and innumerous others preclinical investigations involving ionizing radiation. Longitudinal preclinical studies with five or more image procedures, involving radiopharmaceuticals injection and/or X-radiation, are not uncommon. However, a suitable dosimetric evaluation is not always available and, sometimes, absorbed doses in animal organs or tissues and their influence in experimental results were not appropriately taken into account. Accurate calculation of absorbed doses in mice organs are needed to evaluate potential radiobiological effects that may interfere with in vivo experiments. In this work, we perform a preliminary 16α-[18F]-fluoro-17β-estradiol (18F-FES) radiation dosimetry estimates for female mice. The obtained animal dosimetric results can be useful for evaluating animal doses during the design of longitudinal preclinical studies.https://bjrs.org.br/revista/index.php/REVISTA/article/view/2089radiation dosimetry,18f-fespreclinical studies
spellingShingle Andréa Vidal Ferreira
Ana Carolina Araujo Bispo
Christiane Silva Leite
Juliana Batista da Silva
Marcelo Mamede
Rodrigo Modesto Gadelha Gontijo
Bruno Melo Mendes
18F-FES radiation dosimetry preliminary estimates for preclinical studies based on voxelized phantom
Brazilian Journal of Radiation Sciences
radiation dosimetry,
18f-fes
preclinical studies
title 18F-FES radiation dosimetry preliminary estimates for preclinical studies based on voxelized phantom
title_full 18F-FES radiation dosimetry preliminary estimates for preclinical studies based on voxelized phantom
title_fullStr 18F-FES radiation dosimetry preliminary estimates for preclinical studies based on voxelized phantom
title_full_unstemmed 18F-FES radiation dosimetry preliminary estimates for preclinical studies based on voxelized phantom
title_short 18F-FES radiation dosimetry preliminary estimates for preclinical studies based on voxelized phantom
title_sort 18f fes radiation dosimetry preliminary estimates for preclinical studies based on voxelized phantom
topic radiation dosimetry,
18f-fes
preclinical studies
url https://bjrs.org.br/revista/index.php/REVISTA/article/view/2089
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