Field inhomogeneity correction for gradient echo myelin water fraction imaging.

@article{AlonsoOrtiz2017FieldIC,
  title={Field inhomogeneity correction for gradient echo myelin water fraction imaging.},
  author={Eva Alonso-Ortiz and Ives R. Levesque and Rapha{\"e}l Paquin and G. Bruce Pike},
  journal={Magnetic resonance in medicine},
  year={2017},
  volume={78 1},
  pages={
          49-57
        }
}
PURPOSE Recently, the multi-echo gradient echo (MGRE) sequence has been proposed for multicomponent T2* (MC T2*) based myelin water fraction (MWF) mapping. This approach has appeal because it can provide fast whole-brain coverage, has low specific absorption rate, and short echo spacing. However, the MGRE signal requires correction for accurate MWF mapping, because of its sensitivity to magnetic field inhomogeneities (ΔB0 ). We propose a ΔB0 correction method for 2D MGRE data obtained for MWF… CONTINUE READING
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