Abstract #0107
Two-Dimensional Multiband Diffusion Weighted Imaging
Valentina Taviani 1 , Suchandrima Banerjee 2 , Bruce L. Daniel 1 , Shreyas S. Vasanawala 1 , and Brian A. Hargreaves 1
1
Radiology, Stanford University, Stanford,
CA, United States,
2
Global
Applied Science Laboratory, GE Healthcare, Menlo Park,
CA, United States
A novel multiband technique for high resolution
diffusion weighted imaging is demonstrated in the breast
of a healthy volunteer. The proposed method uses a
phase-modulated 2D RF pulse that simultaneously excites
multiple co-planar bands of magnetisation in conjunction
with a refocusing pulse with multiband slice
selectivity. Reduced FOV encoding (i.e. in-plane
acceleration) and a generalised parallel imaging
reconstruction technique based on the complementarity
between coil sensitivities and excitation profiles are
used to obtain high-resolution diffusion weighted images
with limited distortion.
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