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Abstract #2097

Model validation of a 500 MHz Inductive Resonator for 11.7 T Brain MRI

Natalia Gudino1, Jacco A de Zwart2, Peter Van Gelderen2, Stephen J Dodd1, Jeff H Duyn2, and Joe Murphy-Boesch2
1LFMI, NIH, Bethesda, MD, United States, 2NIH, Bethesda, MD, United States


To evaluate safety of a 500 MHz inductive birdcage resonator for human brain MRI at 11.7 T, we compared phantom SAR measurements with predictions based on simulations. On a head-shaped phantom with realistic permittivity and conductivity, good correspondence was achieved in heating distributions when irradiating the phantom with 85 W RF power. The ability to predict SAR at 500MHz with simulation is critical step towards in-vivo MRI at 11.7 T.

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