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Abstract #1568

Fast delineation of calf muscles for quantitative MRI applications

Pierre-Yves Baudin1, Morin Beyeler2, Pierre G Carlier3,4, and Olivier Scheidegger2,3

1Consultants for Research in Imaging and Spectroscopy, Tournai, Belgium, 2Support Center for Advanced Neuroimaging, Institute for Diagnostic and Interventional Neuroradiology, Inselspital, Bern University Hospital, University of Bern, Switzerland, 3NMR Laboratory, Institute of Myology, Paris, France, 4CEA, DRF, I²BM, MIRCen, NMR Laboratory, Paris, France

One typical obstacle in quantitative MRI lies in the delineation of the regions of interest. When not absolutely necessary, per-muscle analyses are often abandoned, resulting in the loss of a wealth information. A software dedicated to accelerated segmentation of muscle images was recently introduced. It was tested here on the calf muscles of healthy volunteers and Duchenne patients. Results showed an important gain in average speed and were close to the manual segmentation used as reference. Thus, the tested software proved to be a valuable tool for quantitative analysis of skeletal muscle NMR images.

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