Investigation of the Golden-Angle Radial DESS Sequence for Diffusion-Weighted MRI
Xia Zhao 1 , Michael Langham 1 , Cheng Li 1 , and Hee Kwon Song 1
Laboratory for Structural NMR Imaging,
University of Pennsylvania, Philadelphia, PA, United
In this work, the performance of diffusion-weighted DESS
sequence with golden angle radial acquisition is
compared with the standard DW-EPI sequence for imaging
the brain. Results show that radial DW-DESS sequence can
provide high resolution diffusion images without the
problem of susceptibility-related artifacts and N/2
ghosting. It is also demonstrated that self-gating and
phase correction techniques can be utilized to
compensate for motion-induced phase inconsistencies
among views and improve image quality.
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