Repeatability of simultaneous 3D 1H MRF/23Na MRI in brain at 7T
Gonzalo G Rodriguez1, Zidan Yu1,2, Lauren O'Donnell1, Liz Calderon1, Martijn A Cloos3,4, and Guillaume Madelin1,2
1Center for Biomedical Imaging, Department of Radiology, New York University School of Medicine, New York, NY, United States, 2Vilcek Institute of Graduate Biomedical Sciences, NYU Langone Health, New York, NY, United States, 3Centre for Advanced Imaging, The University of Queensland, Brisbane, Australia, 4ARC Training Centre for Innovation in Biomedical Imaging Technology, The University of Queensland, Brisbane, Australia
In this work, we assess the repeatability of proton density, T1, T2 and sodium density maps measured with simultaneous 3D 1H MRF/23Na MRI in the brain at 7T. We scanned seven healthy subjects three times each. The coefficients of variation (CV) were in the range 1-3% for mean values in GM, WM and CSF, and the intra-class correlation (ICC) was in range 0.44-0.99.
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