Robust abdominal imaging with uniform fat suppression using Dixon based single shot turbo spin echo
Xinzeng Wang1, Joshua S. Greer1,2, Ivan Pedrosa1,3, Neil M. Rofsky1,3, and Ananth J. Madhuranthakam1,3
1Radiology, UT Southwestern Medical Center, Dallas, TX, United States, 2Bioengineering, University of Texas at Dallas, Richardson, TX, United States, 3Advanced Imaging Research Center, UT Southwestern Medical Center, Dallas, TX, United States
Breath-held single shot TSE
sequence is a widely used in abdominal imaging due to its speed combined with
robustness to field inhomogeneities and motion. Fat suppression techniques,
such as SPAIR and Dixon method are often used in SShTSE to increase the
conspicuity of the anatomical details. However, SPAIR is sensitive to B0
inhomogeneity resulting in incomplete fat suppression and Dixon method requires
prolonged acquisition times. In this work, we implement a dual-echo SShTSE
acquisition acquiring the in-phase (IP) and out-of-phase (OP) echoes in the
same repetition, providing a true single shot acquisition with robust fat/water
separation.
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