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Abstract #3552

Ultra-short Echo Time 3D Radial Retrospective self-gated navigator for lung motion correction

Konstantinos G. Zeimpekis 1,2 , Gaspar Delso 3 , Florian Wiesinger 4 , Patrick Veit-Haibach 5 , and Gustav von Schulthess 5

1 University Hospital, Zurich, Zurich, Switzerland, 2 Information Technology and Electrical Engineering, ETHZ, Zurich, Zurich, Switzerland, 3 Global MR Applications & Workflow, GE Healthcare, Waukesha, WI, United States, 4 GE Global Research, Munich, Germany, 5 University Hospital, Zurich, Switzerland

On this project, we propose a lung imaging gating with self-gating navigator extraction based on the DC signal of multiple acquisitions. The Dc navigator is based on the maximum values along DC the superimposed DC signals of all acquisitions of the coil nearest to the diaphragm. Gating is achieved without any applying any threshold and the images look significantly improved concerning resolution, motion correction near the diaphragm structures and contrast regaining.

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