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Abstract #0210

Virtual Coil Reconstruction for 3D Diffusion-Weighted Multi-Shot MRI using a Single Reference Shot.

Eric Y. Pierre1, Jacques-Donald Tournier1,2, and Alan Connelly1

1Florey Institute of Neuroscience and Mental Health, Melbourne, Australia, 2Centre for the Developing Brain, King's College London, London, United Kingdom

We introduce an efficient Mult-Shot Diffusion-Weighted (DW) 3D-GRASE acquisition and reconstruction technique to produce DW image volumes free of motion-induced phase artifacts, without relying on explicit measurement or inference of the phase information. The method replaces navigators measurements by a single reference scan for the whole acquisition. Virtual Coil concepts for Parallel Imaging techniques are used to map the multi-shot data onto a k-space signal with consistent phase information.

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