Abstract #2798
Slice Acceleration without Parallel Imaging for Diffusion-Weighted Echo-Planar Imaging of the Cervical Spinal Cord
Jrgen Finsterbusch 1,2
1
Department of Systems Neuroscience,
University Medical Center Hamburg-Eppendorf, Hamburg,
Germany,
2
Neuroimage
Nord, University Medical Centers Hamburg-Kiel-Lbeck,
Hamburg-Kiel-Lbeck, Germany
Multi-band acquisitions offer a promising approach to
accelerate diffusion-weighted acquisitions but require
an appropriate coil geometry. For applications in the
human cervical spinal cord such coils are not widely
available. Here, it is demonstrated that slice
acceleration can be achieved nevertheless by using
2D-selective RF excitations to restrict the excitation
to the spinal cord in combination with slice-gradient
blips to induce different shifts in the image for the
different slices excited. The feasibility of this
approach is demonstrated in phantoms and the human
cervical spinal cord in vivo.
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