Abstract #1569

Rosette MRF for simultaneous T1, T2, and R2* mapping

Evan Cummings^1,2, Yuchi Liu², Kathleen Ropella-Panagis², Jesse Hamilton^1,2, and Nicole Seiberlich^1,2

¹Biomedical Engineering, University of Michigan, Ann Arbor, MI, United States, ²Radiology, University of Michigan, Ann Arbor, MI, United States

This abstract proposes a method for estimating T₁, T₂, and R₂* values from rosette MRF data. R₂* and B₀ can be extracted from a series of images generated by subdividing the rosette data into partial readouts, and T₁ and T₂ are determined using the standard MRF pattern matching pipeline. This method was tested on the ISMRM/NIST MRI system phantom to assess the accuracy of the quantitative relaxation measurements.

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