Abstract #0740

Abdominal MRF at Ultra-High-Field Strengths

Martijn A Cloos^1,2, Bei Zhang^1,2, and Daniel K Sodickson^1,2

¹Bernard and Irene Schwartz Center for Biomedical Imaging, New York University School of Medicine, New York, NY, United States, ²Center for Advanced Imaging Innovation and Research (CAI2R), New York University School of Medicine, New York, NY, United States

Like other magnetic resonance (MR) techniques before it, magnetic resonance fingerprinting (MRF) was developed and applied in the traditional context of a precisely calibrated and uniform radiofrequency excitation field. Plug & Play Parallel Transmission (PnP-PTX), on the other hand, was designed to liberate MRF from these constraints. We evaluate the impact of excitation field non-uniformities on abdominal MRF experiments at different field strengths, and show that PnP-PTX has the potential to alleviate these challenges, and thereby opens opens up a new route towards robust, quantitative, whole-body MRI for ultra-high-field systems.

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