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Abstract #1656

Off-Resonance Correction in PROPELLER using Dixon Water-Fat Separation

Holger Eggers 1 , Michael Schr 2,3 , and James G. Pipe 3

1 Philips Research, Hamburg, Germany, 2 Philips Healthcare, Cleveland, OH, United States, 3 Neuroimaging Research, Barrow Neurological Institute, Phoenix, AZ, United States

Combinations of PROPELLER and Dixon methods have recently been proposed to achieve motion insensitive water-fat imaging. They perform the water-fat separation after the PROPELLER reconstruction so far. However, applying the water-fat separation to single blades instead potentially offers several advantages. In this work, the feasibility of this approach is demonstrated in abdominal T2-weighted TSE imaging. By exploiting the Cartesian k-space sampling in single blades, an off-resonance correction for image quality enhancement is shown to become simpler in this way.

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