title: Diffusion-weighted MR findings in a reversible case of acute Wernicke encephalopathy.
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.
authors.affiliation: Department of Radiology, Hokkaido University School of Medicine, N-15, W-7, Kita-ku, Sapporo, 060-8638, Japan. okamasak@radi.med.hokudai.ac.jp
authors.forename: M
authors.initials: M
authors.lastname: Oka
authors.forename: S
authors.initials: S
authors.lastname: Terae
authors.forename: R
authors.initials: R
authors.lastname: Kobayashi
authors.forename: K
authors.initials: K
authors.lastname: Kudoh
authors.forename: B C
authors.initials: BC
authors.lastname: Chu
authors.forename: K
authors.initials: K
authors.lastname: Kaneko
authors.forename: M
authors.initials: M
authors.lastname: Yoshida
authors.forename: M
authors.initials: M
authors.lastname: Kaneda
authors.forename: Y
authors.initials: Y
authors.lastname: Suzuki
authors.forename: K
authors.initials: K
authors.lastname: Miyasaka
mesh_terms: D000741:Anemia, Aplastic / Q000150:complications / Q000175:diagnosis; D001921:Brain / Q000473:pathology; D001929:Brain Edema / Q000175:diagnosis; D002675:Child, Preschool; D003937:Diagnosis, Differential; D004058:Diffusion; D005260:Female; D006801:Humans; D007089:Image Enhancement; D008279:Magnetic Resonance Imaging; D013788:Thalamus / Q000473:pathology; D014899:Wernicke Encephalopathy / Q000175:diagnosis*