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Abstract #3733

Looping Star:  Revisiting echo in/out separation

Florian Wiesinger1,2 and Ana Beatriz Solana1
1GE Healthcare, Munich, Germany, 2King's College London, London, United Kingdom

Recently, we introduced a new MR pulse sequence, termed Looping Star, for fast and yet quiet 3D radial, multi-gradient echo MR imaging. The method is based on the 3D radial Rotating Ultra-Fast Imaging Sequence (RUFIS, aka Zero TE) extended by a time-multiplexed gradient refocusing mechanism; providing an initial free-induction-decay (FID) image followed by equidistant gradient echo (GRE) images. In its original implementation, the method was affected by overlapping echo in/out signals. Here we present a solution to this problem, allowing faster scanning and/or higher resolution.

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