Abstract #3956

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

Marian Troelstra^1,2, Alessandro Polcaro^1,3, Peter Worsley⁴, Torben Schneider⁵, Jurgen Runge^1,2, and Ralph Sinkus^6,7

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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