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Abstract #1568

Fat-Referenced MR Thermometry During Canine Prostate Ablation

Lorne Hofstetter1, Hadas Ziso2, Yoav Levy2, Yuval Zur3, Giora Sat3, W Thomas Dixon1, Yoav Medan2, Cynthia Davis1, Thomas K. Foo1, Desmond Yeo1

1GE Global Research, Niskayuna, NY, United States; 2InSightec, Tirat Carmel, Israel; 3GE Healthcare, Tirat Carmel, Israel

In this work, we test a newly developed fat-referenced thermometry technique during a canine prostate ablation procedure. The fat-referenced method was compared with the conventional and drift-corrected proton resonance frequency shift (PRFS) thermometry techniques. Over the 83 minute thermal monitor period, the fat-referenced method corrected for time-varying B0 field disturbances in the prostate region.