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Updated: Aug 15, 2026

Diffusion Tensor Magnetic Resonance Imaging in the Analysis of Neurodegenerative Diseases
Published on: July 28, 2013
Diffusion-weighted MR findings in a reversible case of acute Wernicke encephalopathy
1Department of Radiology, Hokkaido University School of Medicine, N-15, W-7, Kita-ku, Sapporo, 060-8638, Japan. okamasak@radi.med.hokudai.ac.jp
Abstract:
We report a case of acute Wernicke encephalopathy (WE) in which apparent diffusion coefficient maps showed areas of increased diffusion in the bilateral medial thalami that corresponded to the hyperintense lesions on T2-weighted imaging. The hyperintense lesions on T2-weighted imaging disappeared with full recovery from symptoms. These findings suggest that the hyperintense lesions of the acute changes of WE include reversible vasogenic edema and are not caused by acute ischemia.
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