Interleaved versus grouped viewsharing in 3D DCE-DIXON of the abdomen: sensitivity to motion artifacts

Inconsistent breathholds during 3D dynamic DCE MR imaging of the abdomen are a major cause of motion artifacts. In this study we compared motion sensitivity of dynamic 3D-DIXON FFE to end-breath hold motion between interleaved1 and grouped2 peripheral ky-kz viewsharing. The acquisition of the complete peripheral kykz at the end of the breath hold makes gouped viewsharing less sensitive to breathing induced motion at the end of the acquisition. It also allows for a higher temporal resolution in the early dynamics, which is especially beneficial for capturing early arterial phases of abdominal MR imaging.

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