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Abstract #3332

Actuator-Free MR Elastography of the Liver: Imaging Liver Tumors with Viscoelastic Intrinsic MRE

Elijah Van Houten1, Guillaume Gilbert2, and An Tang3
1Génie mécanique, Université de Sherbrooke, Sherbrooke, QC, Canada, 2MR Clinical Science, Philips Healthcare, Markham, ON, Canada, 3Département de radiologie, Université de Montréal, Montréal, QC, Canada

A new intrinsic activation MR Elastography method is presented through a proof of concept for imaging the viscoelasticity of a liver tumor. Results are presented for a healthy volunteer and a focal nodular hyperplasia subject. Relative stiffness, damping and compressibility maps clearly indicate the location of the tumor and are in agreement with mechanical property values previously reported in the literature. The method shows promise for the diagnosis of focal liver lesions and provides insight into new physiologically related biomarkers for these lesions.

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