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Abstract #3684

Simultaneous Acquisition of MR Acoustic Radiation Force Imaging and Proton Resonance Shift Thermometry with 3D Multi-Contrast Pulse Sequence

Joshua de Bever 1,2 , Alexis Farrer 2,3 , Henrik Oden 2,4 , and Dennis L. Parker 2,5

1 School of Computing, University of Utah, Salt Lake City, Utah, United States, 2 Utah Center for Advanced Imaging Research, Salt Lake City, Utah, United States, 3 Department of Bioengineering, University of Utah, Utah, United States, 4 Department of Physics, University of Utah, Utah, United States, 5 Department of Radiology, University of Utah, Utah, United States

A 3D multi-contrast MRI pulse sequence is presented here as a novel method for performing Acoustic Radiation Force Imaging simultaneously with Proton Resonance Frequency thermometry. This could be used, for example, to safely localize the ultrasound focal in three dimensions before an MR guided Focused Ultrasound treatment while simultaneously measuring the induced temperature rise.

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