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Figure 2: Diffusion tensor imaging (DTI), fractional anisotropy (FA) maps reveal focal decrease in the FA values in the course of pyramidal tracts (arrows). As in structural MRI changes are visible in lateral funicules of the spinal cord at the level of C1 (a), in the pyramidal decussation (b) and in the left cerebral peduncle (c and d)

Figure 2: Diffusion tensor imaging (DTI), fractional anisotropy (FA) maps reveal focal decrease in the FA values in the course of pyramidal tracts (arrows). As in structural MRI changes are visible in lateral funicules of the spinal cord at the level of C1 (a), in the pyramidal decussation (b) and in the left cerebral peduncle (c and d)