The aim of this study was to investigate the in-vivo correlation between Fat Fraction and T1, T2* for both water and fat compartments, in vertebral bone marrow at 1.5T. A fast chemical-shift-encoded 3D multi-gradient-echo sequence and a B1-mapping sequence were acquired at two different flip angles. Fat Fraction, T1 of water, T2* of water, T1 of fat and T2* of fat were obtained using a previously published method. The results of the current study show strong correlation between Fat Fraction and the relaxation times.
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