Abstract #4114

MR imaging Evaluation of an Interstitial Focused Ultrasound Probe used in Robotically Assisted Brain Ablation Procedures

MATTHEW TARASEK¹, Eric Fiveland¹, Chitresh Bhushan¹, Goutam Ghoshal², Tamas Heffter², Katie Gandomi³, Paulo Alberto Carvalho³, Christopher Nycz³, Teresa Maiette⁴, Zahabiya Campwala⁴, Erin Jeannotte⁴, Michael Staudt⁴, E Clif Burdette², Gregory Fischer³, Julie Pilitsis⁴, and Desmond Yeo¹

¹GE Global Research, Niskayuna, NY, United States, ²Acoustic MedSystems Inc., Savoy, IL, United States, ³WPI, Worcester, MA, United States, ⁴Neurosurgery, Albany Medical College, Albany, NY, United States

In this work we evaluate a newly developed catheter-based therapeutic ultrasound (US) probe used for interstitial MR-guided high intensity focused US (iMRgFUS) procedures. Specifically, we optimize and down-select MR thermal imaging protocols in order to achieve maximum temperature measurement precision and volume coverage in the presence of image artifacts arising from the iMRgFUS probe design and operation.

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