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Abstract #1676

MAVRIC-SL with 3x2 parallel imaging and a hexagonally sampled calibration region

Bragi Sveinsson 1 , Valentina Taviani 1 , Kevin Koch 2 , Garry Gold 1 , and Brian Hargreaves 1

1 Radiology, Stanford University, Stanford, CA, United States, 2 Applied Sciences Laboratory, General Electric, Waukesha, WI, United States

MAVRIC-SL is routinely used for clinical imaging close to metallic orthopedic devices. MAVRIC-SL collects multiple off-resonant 3D volumes acquired under a constant slab selection gradient. The collection of multiple 3D volumes presents challenges in maintaining short scan times. Previous work has demonstrated how hexagonal sampling can substantially reduce scan time when employing 21 parallel imaging. In this work, we demonstrate a variation of this method that allows hexagonal sampling in conjunction with 32 parallel imaging for more rapid imaging.

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