Abstract #3933

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

Synopsis

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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