Diffusion Tensor Sequences (DTI) for Study of Lumbar Roots by Magnetic Resonance Imaging (MRI)

Overview

Diffusion tensor imaging (DTI) is a non-invasive MRI technique offering a functional approach that provides morphological information about the microstructures of the nerve roots. DTI is a widely used neuroimaging technique and is a current topic of research in the field of peripheral nerve imaging. The aim of this work is therefore to improve DTI sequences by specifically evaluating the contribution of the multiband technique in healthy volunteers.

For every healthy volunteer will be acquired: * a morphological sequence * a reference diffusion tensor sequence covering three lumbar stages (reference DTI), * a diffusion tensor sequence acquired in multiband technique, covering three lumbar stages (optimized DTI), * a diffusion tensor sequence acquired in a multiband technique, covering a lumbar stage, of higher spatial resolution (centred DTI)

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