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Abstract #0389

Simultaneous 3D proton MRF and sodium MRI

Zidan Yu1,2,3, Shota Hodono1,2,3, Bili Wang1, Olga Dergahyova1, Bei Zhang1,3, Ryan Brown1,3, Daniel K. Sodickson1,2,3, Guillaume Madelin1,2, and Martijn A. Cloos1,2,3
1Center for Biomedical Imaging, Department of Radiology, New York University School of Medicine, New York, NY, United States, 2Sackler Institute of Graduate Biomedical Sciences, NYU Langone Health, New York, NY, United States, 3Center for Advanced Imaging Innovation and Research (CAI2R), NYU Langone Health, New York, NY, United States

In this work, we present a 3D sequence that can simultaneously capture quantitative 1H density, T1, T2, B1+ maps and a 23Na image of the whole head in a reasonable scan time (~10 min). The gradient momenta are strategically distributed to simultaneously acquire a full-radial trajectory for proton and a center-out radial trajectory for sodium in one single readout. A sodium SNR comparison, verification of the proton multi-parametric maps, and in-vivo results are shown.

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