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Abstract #0618

Variable Density Compressed Sensing Single Shot Fast Spin Echo

Valentina Taviani1, Daniel V. Litwiller2, Jonathan I. Tamir3, Andreas M. Loening1, Brian A. Hargreaves1, and Shreyas S. Vasanawala1

1Stanford University, Stanford, CA, United States, 2Global MR Applications and Workflow, GE Healthcare, New York, NY, United States, 3University of California Berkeley, Berkeley, CA, United States

Variable density (VD) sampling was implemented into an extended echo train single shot fast spin echo (SSFSE) pulse sequence. Compressed sensing (CS) reconstuction was used. With respect to regular undersampling and ARC (Autocalibrated Reconstruction for Cartesian imaging), VD CS SSFSE allows higher acceleration factors, which translates in increased flexibility in the choice of echo times for full-Fourier imaging (shorter minimum TEs) and faster acquisitions (shorter breath-holds).

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