Progressive supranuclear palsy and a multi‐infarct state

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Abstract
In 58 patients with progressive supranuclear palsy (PSP), 19 (32.8%) had CT, MRI, or autopsy evidence of a multi-infarct (MI) state. The clinical findings in the infarct syndrome were similar to idiopathic PSP. Five MI-PSP patients had had a stroke, four had focal dystonia, two had hemiparesis, and one had an intention tremor of recent onset. In contrast, only 5.9% (12.9% of those with CT or MRI) of 426 Parkinson's disease patients had evidence of strokes. One case of PSP studied pathologically was attributed to cerebral amyloid angiopathy.