Nick Todd1, Josh de Bever2, Mahamadou Diakite3, Allison Payne1, Dennis L. Parker1
1Radiology/UCAIR, University of Utah, Salt Lake CIty, UT, United States; 2Computer Science, University of Utah, Salt Lake CIty, UT, United States; 3Physics, University of Utah, Salt Lake CIty, UT, United States
The temperature dependence of R2* has been well validated. However, recent experiments indicate that R2* values in pork muscle are affected by an additional non-thermal processes during HIFU heating. In this abstract, we present the evidence for this "mechanical" effect and attempt to separate the changes in R2* during HIFU heating into the "mechanical" effects and the thermal effects.