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Abstract #3576

Assessment of MRF for Simultaneous T1 and T2 Quantification and Water-Fat Separation in the Liver at 0.55T

Yuchi Liu1, Jesse Hamilton1,2, Yun Jiang1,2, and Nicole Seiberlich1,2
1Department of Radiology, University of Michigan, Ann Arbor, MI, United States, 2Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI, United States

Synopsis

This study aims to assess the feasibility of performing MRF in the liver and examine the feasibility of water-fat separation using rosette MRF at low field. MRF sequences using spiral and rosette trajectories were implemented on a 0.55T scanner. T1 and T2 quantification in the liver was achieved in a single breath-hold of <15s with in-plane resolution of 1.56×1.56mm2 and slice thickness of 5mm. In addition, water-fat separation was achieved along with T1 and T2 quantification with no time penalty using rosette MRF.

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