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Diffusion‐weighted MR findings in a reversible case of acute Wernicke encephalopathy
Author(s) -
Oka M.,
Terae S.,
Kobayashi R.,
Kudoh K.,
Chu BC.,
Kaneko K.,
Yoshida M.,
Kaneda M.,
Suzuki Y.,
Miyasaka K.
Publication year - 2001
Publication title -
acta neurologica scandinavica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.967
H-Index - 95
eISSN - 1600-0404
pISSN - 0001-6314
DOI - 10.1034/j.1600-0404.2001.00098.x
Subject(s) - medicine , effective diffusion coefficient , wernicke encephalopathy , encephalopathy , edema , magnetic resonance imaging , ischemia , diffusion mri , brain edema , radiology , pathology , cardiology , surgery
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 T 2 ‐weighted imaging. The hyperintense lesions on T 2 ‐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.