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Unilateral Putaminal CT, MR, and Diffusion Abonromalities Secondary to Nonketotic Hyperglycemia in the Setting of Acute Neurologic Symptoms Mimicking Stroke AJNR 25:975-976, Wintermark,M.,et al, 2004 See this aricle in Pubmed Article Abstract A 75-year-old Asian man presented with two episodes of chorea associated with nonketotic hyperglycemia. His chorea rapidly resolved after restitution of a normal serum glucose level, although an MR image obtained at the time of acute symptoms demonstrated high signal intensity on T1-weighted images, low signal intensity on T2-weighted images, and restricted diffusion, all involving the left putamen. A CT scan obtained 1 month later demonstrated faint hyperattenuation of the involved putamen. The reported pathophysiologic considerations for these imaging features are reviewed, and an original explanation is proposed.

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(click to filter results - removes previous filter) CAT scan,abnormal cerebrovascular accident chorea hyperglycemia hyperglycemia,nonketotic misdiagnosis MRI,abnormal MRI,diffusion weighted MRI,high signal foci on MRI,high signal intensity of basal ganglia putamen,lesion of

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