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Abstract #3956

High-resolution one-dimensional shear wave MR elastography at 78 microns: initial results in skin imaging in vivo.

Marian Troelstra1,2, Alessandro Polcaro1,3, Peter Worsley4, Torben Schneider5, Jurgen Runge1,2, and Ralph Sinkus6,7

1Department of Biomedical Engineering and Imaging Sciences, King's College London, London, United Kingdom, 2Department of Radiology and Nuclear Medicine, Amsterdam UMC, Amsterdam, Netherlands, 3Department of Chemical Engineering, IQS School of Engineering, Universitat Ramon Llull, Barcelona, Spain, 4Faculty of Health Sciences, University of Southampton, Southampton, United Kingdom, 5Philips Healthcare, Guildford, United Kingdom, 6King's College London, London, United Kingdom, 7Laboratory for Vascular Translational Science, INSERM, Paris, France

Imaging the biomechanical properties of thin structures with MR is challenging due to the generally low spatial resolution of MR elastography. In this study, we discuss a novel approach for imaging these structures using high-resolution motion sensitised pencil beam MRE at 78 microns to determine transient shear wave propagation. Initial results describe the application of this approach in phantom and skin imaging.

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