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Alcoholic woman hospitalized for Wernicke encephalopathy, presented with left hemiparesis, and was suspected to have stroke (CT perfusion)

CT perfusion images in a 45-year-old alcoholic woman with a recent hospitalization for Wernicke encephalopathy who presented with left hemiparesis and was initially suspected to have had a stroke. CT perfusion images at the level of the pons demonstrate increased blood flow (top right, yellow arrow), reduced mean transit time (bottom left, red arrow), and reduced time-to-maximum (bottom right, orange arrow) in the upper pons. (Source: Kusel K, Azzam O, Youssef A, Prentice D. Alcoholic pontine myelinolysis: beware the stroke mimic. BJR Case Rep 2021;7(4):20210005. Creative Commons Attribution license [CC BY],

Associated Disorders

  • Alcoholism
  • Extrapontine myelinolysis
  • Hyperosmolar hyperglycemic state
  • Hypokalemia
  • Malnutrition
  • Osmotic myelinolysis