Journal
EUROPEAN JOURNAL OF RADIOLOGY
Volume 45, Issue 3, Pages 256-258Publisher
ELSEVIER SCI IRELAND LTD
DOI: 10.1016/S0720-048X(02)00009-8
Keywords
Wernicke's encephalopathy; diffusion-weighted magnetic resonance imaging; vasogenic edema
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We report a case of Wernicke's encephalopathy in which diffusion-weighted MR images demonstrated symmetrical hyperintense lesions in the paraventricular area of the third ventricles,and medial thalami. Apparent diffusion coefficient mapping showed isointensity in the aforementioned areas. Diffusion-weighted MR images may provide evidence of vasogenic edema associated with thiamine deficiency, proven in the histopathology of experimental animals. In addition, diffusion-weighted MRI has many advantages over T2 or FLARE-weighted brain MRI in detecting structural and functional abnormalities in Wernicke's encephalopathy. (C) 2002 Elsevier Science Ireland Ltd. All rights reserved.
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