Sub-mm DTI is of great interest for clinical diagnosis and healthy tissue studies. Segmented imaging is hindered in these applications, due to complications associated to unavoidable motions in-between shots. This work demonstrates the advantages resulting from using interleaved, segmented SPatially ENcoded (SPEN) methods for DTI, thanks to their ability to (i) provide low-resolution but fully sampled images per shot; (ii) compensate for rigid-body motions by simple phase corrections, and (iii) zoom on restricted FOVs without folding complications. All this enables high-resolution diffusion MRI on humans, as shown here by delineating the pons anatomy at a 0.74mm in-plane resolution.
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