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Abstract #3648

Dixon Imaging with Golden Angle Stack of Stars Acquisition

Jan Hendrik Wlbern 1 , Mariya Doneva 1 , Holger Eggers 1 , Christian Stehning 1 , and Peter Brnert 1

1 Philips Research Europe, Hamburg, Hamburg, Germany

Combined radial stack of stars k-space sampling with dual-echo readout Dixon water-fat separation is demonstrated. This is enabled by a radial phase correction, which is performed on-the-fly without requiring pre-scan calibrations relying on imaging data only. Two types of radial sampling schemes are considered: uniform angular sampling with alternating readout directions and golden angle sampling. The phase correction method preserves phase information for Dixon methods, is robust to radial undersampling, stable over long scan durations, and works for golden angle acquisitions.

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