Abstract #2539
Fast, whole brain Radial Diffusion Spectrum Imaging (RDSI) via Simultaneous Multi Slice Excitation
Steven Baete 1,2 , Tiejun Zhao 3 , and Fernando Emilio Boada 1,2
1
Center for Advanced Imaging Innovation and
Research (CAI2R), NYU School of Medicine, New York, NY,
United States,
2
Center
for Biomedical Imaging, Dept. of Radiology, NYU School
of Medicine, New York, NY, United States,
3
Siemens
Healthcare, Siemens Medical Solutions USA, Inc., New
York, NY, United States
Diffusion Spectrum Imaging (DSI) has become a powerful
tool for non-invasive imaging of white matter brain
architecture. Unfortunately, widespread clinical
implementation has been hampered by long acquisition
times. DSI approaches sampling q-space in a radial
fashion have been shown to be more efficient and
accurate. When combined with a multi-echo train, RDSI
provides significant throughput improvements over
conventional DSI. We demonstrate a further acceleration
of multi-echo RDSI by extending this technique with
Simultaneous Multi-Slice excitation. The combined
acceleration allows for whole brain fully sampled RDSI
in under 7 min.
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