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Abstract #3968

Magnetic resonance shear wave elastography using transient acoustic radiation force excitations and sinusoidal displacement encoding

Lorne W. Hofstetter1, Henrik Odéen1, Bradley D. Bolster, Jr.2, Allison Payne1, and Dennis L. Parker1

1Department of Radiology and Imaging Sciences, University of Utah, Salt Lake City, UT, United States, 2Siemens Healthcare, Salt Lake City, UT, United States

A novel elastography approach that uses sinusoidal motion encoding gradients to encode the displacement time-history following a single transient acoustic radiation force excitation is presented. This technique may be particularly well suited for performing elastography before, during, and after MR-guided focused ultrasound treatments since the same device used for therapy is used as an excitation source for elastography.

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