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Abstract #1875

Isotropic resolution volumetric liver T2 weighted imaging and T2 mapping using a navigator-gated radial stack-of-stars T2 prepared acquisition

Mark Zamskiy1, Dominik Weidlich1, Kilian Weiss2, Marcus Makowski1, Rickmer Braren1, and Dimitrios Karampinos1
1Department of Diagnostic and Interventional Radiology, School of Medicine, Technical University of Munich, Munich, Germany, 2Philips Healthcare, Hamburg, Germany

Volumetric liver T2-weighted imaging and T2 mapping is of a high clinical significance but still remains very challenging due to motion in this region. The present work introduces a novel T2-prepared radial stack-of-stars (SoS) gradient echo sequence, which can be combined with a DIXON readout for achieving isotropic resolution fat-suppressed T2-weighted images. Moreover, the combination of the T2-prepared SoS acquisition with different T2-preparations enables T2 mapping in navigator-gated scans.

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