Spinal cord atrophy is a highly relevant measure of disease progression in multiple sclerosis. Here, we assessed whether cord area measurements from head MRI scans at 7T are feasible with semi- and fully-automated tools. Although different tools can yield systematically different absolute cord areas, measurements were highly consistent within studies as well as across field strengths, if images with similar voxel sizes were used. At higher spatial resolution, the volume of partial signal voxels is reduced and smaller cord areas and diameters were measured than typically reported in literature.
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