Efficient fat suppression by slice-selection gradient reversal in twice-refocused diffusion encoding

@article{Nagy2008EfficientFS,
  title={Efficient fat suppression by slice-selection gradient reversal in twice-refocused diffusion encoding},
  author={Zolt{\'a}n Nagy and Nikolaus Weiskopf},
  journal={Magnetic Resonance in Medicine},
  year={2008},
  volume={60},
  pages={1256 - 1260}
}
Most diffusion imaging sequences rely on single-shot echo-planar imaging (EPI) for spatial encoding since it is the fastest acquisition available. However, it is sensitive to chemical-shift artifacts due to the low bandwidth in the phase-encoding direction, making fat suppression necessary. Often, spectral-selective RF pulses followed by gradient spoiling are used to selectively saturate the fat signal. This lengthens the acquisition time and increases the specific absorption rate (SAR… CONTINUE READING
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