A novel partial averaging approach for reducing motion ghosting in Dixon TSE

Despite its superb fat suppression characteristics, Dixon TSE is known to be sensitive to motion artifacts. In this study we investigated a novel partial averaging approach for Dixon TSE acquisition, where the k-space center was sampled denser compared to the k-space periphery and randomization was used. Simulation, phantom and volunteer experiments demonstrate the reduced motion ghosting and show that it outperforms the longer two average scans.

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