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Diffusion-weighted imaging (DWI) could benefit the detection and evaluation of the spine and spinal cord pathologies. Traditional single-shot EPI (SS-EPI) DWI suffers from a large geometry distortion due to the inhomogeneous B0 field and the low bandwidth in the phase encoding direction. This work demonstrated the application of an EPI geometry correction method for the cervical spine which can improve the geometry accuracy of the DWI images.
Sun et al. (Wed,) studied this question.