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Figure 3: Magnetic resonance images on follow-up 1.5 years after initial presentation. (a) Regions of interests (ROI) were drawn in the putamen bilaterally for tractography of the anterior thalamic tract (ATT). Tractography of the ATT in the (b) patient showing asymmetrical loss of fibers bilaterally [right (white arrow) > left (white arrowhead)] and (c) healthy control showing preserved volume and symmetry of the tracts bilaterally (white block arrows). (d) ROIs drawn in the cerebellopontine region bilaterally for tractography of the corticospinal tracts (CST). Tractography of the CST in the (e) patient showing asymmetrical loss of fibers bilaterally [right (yellow block arrow) > left (yellow arrowhead)] and (f) healthy control showing preservation of the tracts bilaterally (yellow arrows)

Figure 3: Magnetic resonance images on follow-up 1.5 years after initial presentation. (a) Regions of interests (ROI) were drawn in the putamen bilaterally for tractography of the anterior thalamic tract (ATT). Tractography of the ATT in the (b) patient showing asymmetrical loss of fibers bilaterally [right (white arrow) > left (white arrowhead)] and (c) healthy control showing preserved volume and symmetry of the tracts bilaterally (white block arrows). (d) ROIs drawn in the cerebellopontine region bilaterally for tractography of the corticospinal tracts (CST). Tractography of the CST in the (e) patient showing asymmetrical loss of fibers bilaterally [right (yellow block arrow) > left (yellow arrowhead)] and (f) healthy control showing preservation of the tracts bilaterally (yellow arrows)