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Abstract #1759

Joint Water-Fat Separation and Deblurring with Single Spiral In-Out Spin-Echo Imaging

Dinghui Wang1, Zhiqiang Li1, Ryan K. Robison1, and James G. Pipe1

1Imaging research, Barrow Neurological Institute, Phoenix, AZ, United States

Spiral in-out readout is an efficient sampling scheme for T2-weighted (T2w) spin-echo (SE) sequences. Two sets of spiral in-out data at different TEs are typically acquired so that deblurred water and fat images can be extracted from the spiral-in and the spiral-out data separately, which are then combined together. A method has been recently proposed to reconstruct water and fat images from a single set of spiral in-out data. This work demonstrates the feasibility of using this method as a fast and scan efficient means of fat suppression to reduce the scan time of the spiral T2w SE by a factor of 2.

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