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Abstract #1321

Simple improvement of Multi-Dimensional diffusion MRI(MD-dMRI) image quality by double-sampled EPI

Nicolas Geades1, Oscar Jalnefjord2,3, Guillaume Gilbert4, and Maria Ljungberg2,3
1MR Clinical Science, Philips, Gothenburg, Sweden, 2Department of Medical Physics and Biomedical Engineering, Sahlgrenska University Hospital, Gothenburg, Sweden, 3Department of Radiation Physics, University of Gothenburg, Gothenburg, Sweden, 4MR Clinical Science, Philips, Markham, ON, Canada

This study presents a novel implementation of established methods to eliminate ghosting artifacts in Multi Dimensional diffusion MRI (MD-dMRI) images. By replacing scan time used for acquiring images purely used for averaging (when applicable), with EPI acquisitions at opposing readout directions, ghost artifacts can be eliminated. The implementation provides ghost-free images with a small increase in SNR and a minimal (7%) increase in scan time.

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