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Abstract #3351

Correcting a slice distortion artifact in the multiband diffusion images

Jiancheng Zhuang1

1University of Southern California, Los Angeles, CA, United States

The diffusion weighted images acquired with the multiband sequence or the Lifespan protocols shows a type of slice distortion artifact. We find that this artifact is caused by the eddy currents, which can be induced by the diffusion gradient associated with either current DW image or the previous DW images. The artifact can be corrected by further tuning the compensation circuit in the MR hardware, or by a correction algorithm which includes the diffusion gradients from the current and previous DW images.

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