Abstract #1321

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

Nicolas Geades¹, Oscar Jalnefjord^2,3, Guillaume Gilbert⁴, and Maria Ljungberg^2,3

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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