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Abstract #1810

Tissue Acoustic Properties Using MRI Temperature Measurements of Low Powered Ultrasound Heating Pulse.

Urvi Vyas1, Nick Todd2, Allison Payne3, Douglas Christensen, Dennis L. Parker4

1Bioengineering, University of Utah, Salt Lake City, UT, United States; 2Physics, University of Utah; 3Mechanical Engineering, University of Utah; 4Radiology, University of Utah

An inverse parameter estimation technique that non-invasively determines ultrasound tissue properties ( speed of sound, attenuation) using MRI temperature maps of low level ultrasound heating pulses is presented. The properties determined by the new technique are compared to ultrasound tissue properties measured using the transmission-substitution technique.