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Abstract #4611

B0 shim improvement in the inferior frontal lobe by head-tilting: feasibility and comparison with 3rd order shimming

Seulki Yoo1,2, Hayoung Song1,2, Won Mok Shim1,2, and Seung-Kyun Lee1,2

1Department of Biomedical Engineering, Sungkyunkwan University, Suwon, Korea, Republic of, 2Center for Neuroscience Imaging Research, IBS, Suwon, Korea, Republic of

Susceptibility-induced signal dropout and image quality impairment in the gradient-echo based imaging are well known problems in brain MRI at high fields. Here, we experimentally demonstrate the feasibility and benefit of head-tilted brain scan as a means to reduce B0 inhomogeneity and associated gradient echo signal loss in the inferior frontal lobe (IFL), and compare the shim improvement with simulated 3rd order shimming in the whole brain.

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