Detecção de Doenças em Imagens de Raios-X da Coluna Lombo-Sacra com Convnets

  • Pablo Vieira UFPI / Maida.health
  • Luis Vogado UFPI / Maida.health
  • Lucas Lopes UFPI / Maida.health
  • Ricardo Lira UFPI / Maida.health
  • Pedro Santos Neto UFPI / Maida.health
  • Deborah Magalhães UFPI
  • Romuere Silva UFPI

Resumo


Ao longo dos anos, o uso de sistemas CAD no auxilio a diagnósticos vem se tornado mais importante. Um exame que possibilita várias aplicações CAD é o de Lombo-Sacra. Esse exame fornece radiografias detalhadas da coluna vertebral, especificamente das regiões lombar, sacral e coccígea permitindo detectar doenças como artrose, escoliose, espondilartrose, lordose, osteófitos, redução do espaço discal, dentre outras. Nesse contexto, desenvolvemos uma metodologia de sistema CAD baseado em Deep-learning para atuar em Lombo-sacra. Para tal, utilizamos um conjunto de dados contendo 16,024 exames, mais heterogêneo que os do estado da arte. Além disso, desenvolvemos um ensemble na classificação utilizando imagens frontais e laterais do mesmo exame, o que permite classificar um número maior de patologias, o que torna o processo ainda mais preciso diminuindo assim os falsos positivos.

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Publicado
07/06/2022
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VIEIRA, Pablo; VOGADO, Luis; LOPES, Lucas; LIRA, Ricardo; SANTOS NETO, Pedro; MAGALHÃES, Deborah; SILVA, Romuere. Detecção de Doenças em Imagens de Raios-X da Coluna Lombo-Sacra com Convnets. In: SIMPÓSIO BRASILEIRO DE COMPUTAÇÃO APLICADA À SAÚDE (SBCAS), 22. , 2022, Teresina. Anais [...]. Porto Alegre: Sociedade Brasileira de Computação, 2022 . p. 299-310. ISSN 2763-8952. DOI: https://doi.org/10.5753/sbcas.2022.222669.