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Abstract #4197

Achieving High Spatial Resolution with Dual Polarity Missing Pulse Steady-State Free Precession in a Clinically Relevant Scan Time

Michael Mullen1 and Michael Garwood1
1Center for Magnetic Resonance Research and Department of Radiology, University of Minnesota, Minneapolis, MN, United States

Clinical MRI sequences for imaging near metallic implants are mainly multi-spectral approaches, with fast spin-echo acquisitions and large acceleration factors to achieve clinically relevant scan times. The authors previously reported a broadband, low flip angle method at 1.5T to image with large field inhomogeneity, such as near metallic implants, quickly relative to non-spatially selective multispectral approaches. Herein it is demonstrated that this approach, dual polarity missing pulse steady-state free precession, can achieve high spatial resolutions at 3T with a large 3D FOV in a clinically relevant scan time, ~8.74 minutes.

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