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Abstract #4849

Integrated RF/Shim Coil Array for Parallel Reception and Localized B 0 Shimming in the Human Brain at 3T

Trong-Kha Truong 1 , Dean Darnell 1 , and Allen W Song 1

1 Brain Imaging and Analysis Center, Duke University, Durham, NC, United States

Multi-coil shimming with localized shim coils can effectively shim high-order B 0 inhomogeneities, but requires an additional shim coil array outside or inside the RF coil, which compromises the shimming performance and/or SNR. To address these limitations, we recently proposed a new concept that enables parallel RF excitation/reception and B 0 /B 1 shimming with a single coil array, thus maximizing both the SNR and shimming performance, and demonstrated its feasibility in phantom experiments. Here, we further validate it in vivo by demonstrating its ability to perform parallel reception and localized B 0 shimming in the human brain at 3T, specifically for distortion correction in DTI.

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