An 82-year-old male presented with progressively developed gait disturbances due to choreatic movements for 6 months. Brain MRI (see Fig. 1A) showed mild nonspecific white matter changes, general and mild… Click to show full abstract
An 82-year-old male presented with progressively developed gait disturbances due to choreatic movements for 6 months. Brain MRI (see Fig. 1A) showed mild nonspecific white matter changes, general and mild striatal atrophy, but no other abnormalities (transversal and coronal slices) when compared to an age-matched control (1B). FDG-PET brain imaging showed a distinct bilateral striatal reduction in glucose metabolism, predominant in the putamen and caudate nucleus whereas a con-
               
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