Abdominal Water-Only T2 Estimation at 0.55T using a 3D Stack-of-Stars TSE-DIXON Technique
Mahesh Bharath Keerthivasan1, Mary Bruno2, Eddy Solomon3, David Grodzki4, Himanshu Bhat5, Kai Tobias Block2, and Hersh Chandarana2
1Siemens Medical Solutions USA, New York, NY, United States, 2Department of Radiology, New York University Grossman School of Medicine, New York, NY, United States, 3Department of Radiology, Weill Cornell Medical College, New York, NY, United States, 4Siemens Healthcare GmbH, Erlangen, Germany, 5Siemens Medical Solutions USA, Malvern, PA, United States
We explore the use of a stack-of-stars 3D TSE sequence along with multi-echo DIXON readouts for SNR-efficient, free-breathing water-only T2 estimation at 0.55T. A subspace constrained reconstruction is combined with a multi-step fat/ water separation algorithm to generate water-only T2-weighted images and T2 maps.
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