Abstract #2343
MRI Guided HIFU of Visceral Fat: Effect of Heating on T2 Relaxation of Fat
Patrick Winter 1 , Matthew Lanier 1 , Ari Partanen 2 , and Charles Dumoulin 1
1
Radiology, Cincinnati Children's Hospital,
Cincinnati, OH, United States,
2
Philips
Healthcare, Cleveland, OH, United States
MR-HIFU uses MRI to precisely target a HIFU beam to heat
small areas of tissue and to monitor tissue temperature
at the target and surrounding regions. A novel
application of MR-HIFU is the ablation of fat depots to
reverse the progression of obesity and other associated
diseases. However, typical MRI thermometry methods
cannot monitor temperature changes in fat because there
is no shift in the proton resonance frequency. As an
alternative, we utilized T2 mapping to assess HIFU
ablation of fat under MRI guidance.
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