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Abstract #0858

Motion-corrected supine breast MRI with online reconstruction

Karyna Isaieva1, Pierre-André Vuissoz1, Lena Nohava1,2, Michael Obermann 2, Elmar Laistler2, Marc Fauvel3, Claire Dessale3, Nicolas Weber1, Jacques Felblinger1,3, and Freddy Odille1,3
1IADI, Université de Lorraine, INSERM, Nancy, France, 2High Field MR Center, Center for Medical Physics and Biomedical Engineering, Medical University of Vienna, Vienna, Austria, 3CIC-IT, CHRU de Nancy, INSERM, Nancy, France


A standard breast MRI protocol implies prone position. Supine position has multiple advantages; however, it requires motion correction. In this work we present our results on retrospective nonrigid motion correction of supine breast MRI on 7 healthy volunteers. A respiratory belt was used to capture the chest movements. Images were reconstructed online and fully automatically, including physiological data recording and its transfer to the reconstruction server. It was shown that application of the selected motion correction method improves image sharpness on 32-47% which was cofirmed by visual observations.

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