Abstract #0389

Simultaneous 3D proton MRF and sodium MRI

Zidan Yu^1,2,3, Shota Hodono^1,2,3, Bili Wang¹, Olga Dergahyova¹, Bei Zhang^1,3, Ryan Brown^1,3, Daniel K. Sodickson^1,2,3, Guillaume Madelin^1,2, and Martijn A. Cloos^1,2,3

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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