Abstract #3385
3D Balanced-EPI Magnetic Resonance Fingerprinting at 6.5 mT
Mathieu Sarracanie 1,2 , Ouri Cohen 1 , and Matthew S Rosen 1,2
1
MGH/A.A. Martinos Center for Biomedical
Imaging, Charlestown, MA, United States,
2
Department
of Physics, Harvard University, Cambridge, MA, United
States
2D MR Fingerprinting has recently been shown at low
magnetic field. Here, we demonstrate MRF in 3D at 6.5
mT, using an optimized set of 15 flip angles and
repetition times (FA/TR), in a Cartesian acquisition of
k-space with a new hybrid b-SSFP-EPI sequence. We
measure quantitative parameters in 3D, and generate
several image contrasts in a single acquisition (proton
density, T1, T2) in less than 30 minutes. The
combination of 3D MRF with low field MRI scanners has
great potential to provide clinically relevant contrast
with portable low cost MR scanners.
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