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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