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Abstract #1376

Improving image quality and acoustic transparency in MRgFUS at 3T using a low-profile, flexible receive coil array

Isabellle Saniour1, Fraser J.L. Robb2, Victor Taracila2, James Shin1, Vishwas Mishra1, Rena Fukuda1, Jana Vincent2, Henning U. Voss1, Michael G. Kaplitt3, J. Levi Chazen1, and Simone Angela Winkler 1
1Department of Radiology, Weill Cornell Medicine, New York, NY, United States, 2GE Healthcare, Aurora, OH, United States, 3Department of Neurological Surgery, Weill Cornell Medicine, New York, NY, United States


Transcranial MRgFUS has been successfully used to treat a variety of neurodegenerative diseases. However, body coil brain image quality is poor, and a low-signal band artifact may occur in some regions due to RF wave reflections. Further, acoustic coil transparency has not been addressed extensively to date. In this work, we simulate a 10-channel coil design that can significantly increase the SNR by a factor of 20 over the body coil and thus indirectly improve the signal at the region of interests. Acoustic simulations/experiments exhibit transparency of the FUS-Flex coil as high as 97% at 650 kHz.

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