Abstract #3399
T2 Shuffling: Multicontrast 3D Fast Spin Echo Imaging
Jonathan I. Tamir 1 , Weitian Chen 2 , Peng Lai 2 , Martin Uecker 1 , Shreyas S. Vasanawala 3 , and Michael Lustig 1
1
Electrical Engineering and Computer
Sciences, University of California, Berkeley, Berkeley,
CA, United States,
2
Global
Applied Science Laboratory, GE Healthcare, Menlo Park,
CA, United States,
3
Radiology,
Stanford University, Stanford, CA, United States
Fast Spin Echo (FSE) is widely used in MR imaging due to
its speed and robustness to image artifacts. However,
blurring due to T2 decay inhibits its use for 3D
musculoskeletal imaging. By compensating for signal
decay and reconstructing a time series of images, the
blurring can be reduced. In this work we resample and
reorder phase encodes over a longer echo train length to
improve scan efficiency. We add a locally low rank
constraint to improve the conditioning of the
reconstruction, producing multicontrast 3D FSE images at
clinically feasible scan times.
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