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Abstract #4772

Cardiac MRF Using Rosette Trajectories for Simultaneous Myocardial T1, T2, and Proton Density Fat Fraction Mapping

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


This work aims to extend rosette cardiac MRF to enable simultaneous myocardial T1, T2, and PDFF mapping from a single scan. The accuracy of rosette cMRF in T1, T2, and PDFF quantification is validated in the ISMRM/NIST system phantom and an in-house built fat fraction phantom, respectively. Studies in healthy subjects show that rosette cMRF potentially enables more accurate T1 and T2 measurements than spiral cMRF in the myocardium due to reduced fat contamination.

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