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Case Reports
. 1986 Jun;36(6):825-7.
doi: 10.1212/wnl.36.6.825.

Hyperkinetic mutism: bilateral ballism and basal ganglia calcification

S Inbody, J Jankovic
Case Reports

Hyperkinetic mutism: bilateral ballism and basal ganglia calcification

S Inbody et al. Neurology. 1986 Jun.

Abstract

We studied a 70-year-old woman with a unique combination of hyperkinesia and mutism. These findings differed from akinetic mutism because there was continuous bilateral ballism and dystonia--hence the term "hyperkinetic mutism." CT demonstrated bilateral calcifications in the basal ganglia, and MRI indicated bilateral watershed infarcts. Different dopaminergic mechanisms may underlie the hyperkinesia and mutism.

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