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Stroke, Vol 25, 1994-1998, Copyright © 1994 by American Heart Association

ARTICLES

Pure dysarthria, isolated facial paresis, or dysarthria-facial paresis syndrome

JS Kim
Department of Neurology, University of Ulsan, Asan Medical Center, Seoul, South Korea.

BACKGROUND AND PURPOSE: Pure dysarthria, isolated supranuclear facial paresis, and their combination without somatic motor dysfunction are rarely encountered clinical syndromes and have not yet been clearly characterized. METHODS: Thirteen patients (9 men, 4 women; aged 33 to 72 [mean, 56] years) with unilateral strokes who developed dysarthria with or without facial paresis but without somatic motor dysfunction were reviewed in addition to case reports from previous literature. RESULTS: Computed tomographic scan and/or magnetic resonance imaging showed infarcts on the corona radiata in 4 patients, basal ganglia abutting the internal capsule in 3, basal ganglia-corona radiata in 1, pontine base in 3, and cortical-subcortical bulbar motor area in 2. The dysarthria and facial paresis were usually mild and transient, and either one was likely to be unnoticed. CONCLUSIONS: It is suggested that pure dysarthria or isolated facial paresis syndrome be considered as an extreme continuum of dysarthria-facial paresis syndrome, which is likely to be a variant of dysarthria-clumsy hand syndrome.

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