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In this paper we address the problem of bone segmentation in MRI images of children, in the region of the pelvis. To cope with the complex structure of the bones in this region and their changing topology during growth, we propose a method relying on 3D bone templates. These models are built from 3D CT images. For a given MRI volume, the closest template is chosen and registered on the MRI data. This...
Evaluating myocardial viability is an important prognostic factor in the follow-up of infarctions. Delayed Enhancement magnetic resonance (DE-MR) imaging allows precise delineation of the infarct transmural extent. Visual interpretation is the most commonly used method to assess the myocardial infarction (MI) transmural extent. This study proposes to automate the segmentation of the (DE) images prior...
L’IRM devient un examen primordial pour le bilan post-infarctus, permettant ainsi d’étudier la fonction contractile et la viabilité myocardique. Cette étude a pour objectif de segmenter automatiquement les images de rehaussement tardif (RT) avant de quantifier la transmuralité de l’extension de l’infarctus du myocarde (IDM). La segmentation du myocarde se fait sur les images de contraction (ciné)...
Recent improvements of fetal MRI acquisitions now allow three-dimensional segmentation of fetal structures, to extract bio-metrical measures for pregnancy follow-up. Automation of the segmentation process remains a difficult challenge, given the complexity of the fetal organs and their spatial organization. As a starting point, we propose in this paper a fully automated segmentation method to localize...
Intramedullary teratoma is a rare neoplasm. To our knowledge only 10 cases have been reported so far, eight of mature teratoma and two of immature. We present a new case of mature teratoma located in the conus medullaris. After 2 years increasing complaints and worsening neurologic deficits, the neoplasm was discovered by magnetic resonance imaging and was completely resected surgically. Similar cases...
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