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Abstract #4638

Quiet Dixon Imaging with Looping Star Sequence

Holger Eggers1, Kay Nehrke1, Peter Börnert1, and Johan van den Brink2

1Philips Research, Hamburg, Germany, 2Philips Healthcare, Best, Netherlands

Dixon imaging with a conventional bipolar multi-gradient-echo sequence is often loud, mainly because of rapid switching of the strong readout gradient. In this work, the feasibility of using the Looping Star sequence instead is explored, which was recently introduced for quiet radial multi-gradient-echo imaging. Different variants of a dual-acquisition Looping Star sequence are proposed and demonstrated to allow a robust water-fat separation in phantom and volunteer experiments.

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