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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