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Normal Diffusion-Weighted MRI During Stroke-Like Deficits Neurol 52:1784-1792,1733, Ay,H.,et al, 1999 See this aricle in Pubmed Article Abstract Best final diagnosis was a stroke mimic in 37% and a cerebral ischemic event in 63%. The remaining patients were considered to have had cerebral ischemic events: lacunar syndrome (7 patients; 3 with reversible deficits, 3 with infarction on follow-up imaging). In each of the latter three patients, the regions destined to infarct showed decreased perfusion on the initial hemodynamically weighted MRI (HWI). Normal DWI in one-half of such patients have an ischemic cause as the best clinical diagnosis. Small brainstem lacunar infarctions may escape detection. Concomitant HWI can identify some patients with brain ischemia that is symptomatic but not yet to the stage of causing DWI abnormality.

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(click to filter results - removes previous filter) cerebral ischemia cerebrovascular accident cerebrovascular accident,misdiagnosis lacunar infarction migraine misdiagnosis MRI MRI,abnormal MRI,diffusion weighted MRI,false negative seizure

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