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Manual and semiautomatic segmentation of bone sarcomas on MRI have high similarity BJMBR
Dionísio,F.C.F.; Oliveira,L.S.; Hernandes,M.A.; Engel,E.E.; Rangayyan,R.M.; Azevedo-Marques,P.M.; Nogueira-Barbosa,M.H..
The aims of this study were to evaluate the intra- and interobserver reproducibility of manual segmentation of bone sarcomas in magnetic resonance imaging (MRI) studies and to compare manual and semiautomatic segmentation methods. This retrospective study included twelve osteosarcoma and eight Ewing sarcoma MRI studies performed prior to any therapeutic intervention. All cases were histopathologically confirmed. Three radiologists used 3D-Slicer software to perform manual segmentation of bone sarcomas in a blinded and independent manner. One radiologist segmented manually and also performed semiautomatic segmentation with the GrowCut tool. Segmentation exercises were timed for comparison. The dice similarity coefficient (DSC) and Hausdorff distance (HD)...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Ewing sarcoma; Osteosarcoma; Manual segmentation; Semiautomatic segmentation.
Ano: 2020 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2020000200605
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