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Abstract #3605

­­MR Guided Microwave Thermal Ablation: Guidance and Monitoring for Extending the Physics of Thermal Therapy

Michael Simonson1, Peng Wang2, Christopher Brace1,2,3, and Walter Block1,2,3

1Biomedical Engineering, UW - Madison, Madison, WI, United States, 2Radiology, UW - Madison, Madison, WI, United States, 3Medical Physics, UW - Madison, Madison, WI, United States

Monitoring microwave ablation with thermometry could extend the application of this clinical procedure into territories where greater control is necessary to protect healthy tissue, such as the spine. MRI thermometry could also provide useful insights to generate and validate new thermal models based on the fundamentally different mode of dielectric heating utilized by microwave ablation. We present here a platform consisting of 1) a high power MR compatible microwave ablation system based on a FDA-approved design, 2) real-time applicator guidance during applicator insertion and 3) high frame rate MR thermometry and tissue monitoring.

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