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Pontine Versus Capsular Pure Motor Hemiparesis Neurol 43:2197-2201, Nighoghossian,N.,et al, 1993 See this aricle in Pubmed Article Abstract We prospectively studied 21 patients with pure motor hemiparesis(PMH).CT showed a capsular lesion consistent with the clinical syndrome in 15 patients(71%)and was repeatedly negative in the remaining six(29%).In all six patients with repeatedly negative CT,MRI showed a pontine paramedian infarct as the notable cause of PMH.Clinical findings could not definitely distinguish between capsular and pontine PMH,but the combination of dysarthria and a history of previous transient gait abnormality or vertigo favored a pontine location.Outcome at 3 months was characterized by persistent,moderate to severe disability in 86%of patients with pontine PMH versus 46%in capsular PMH.Based on MRI and magnetic resonance angiographic findings,the presumed mechanism of pontine ischemic lesions was a lacunar process in most instances(86%).

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(click to filter results - removes previous filter) CAT scan CAT scan,abnormal CAT scan,false negative cerebrovascular accident internal capsule lacunar infarction misdiagnosis MRI MRI,abnormal pons,infarction of pons,lesion of prognosis pure motor hemiplegia

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