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Posterior reversible encephalopathy syndrome (MRI)

MRI demonstrates cerebral edema in affected areas, typically the posterior hemispheres best seen in T2-FLAIR sequence, generally in the absence of restricted diffusion, a sign that would be more characteristic of ischemic infarction. (Contributed by Dr. Sangeeta Khanna.)

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Associated Disorders

  • Adrenoleukodystrophy
  • Anton syndrome
  • Carbon monoxide poisoning
  • Cerebral palsy
  • Congenital cerebral malformation
  • Creutzfeldt-Jakob disease
  • Dialysis disequilibrium syndrome
  • Eclampsia
  • Encephalitis
  • Encephalopathy
  • HELLP syndrome
  • Heroin toxicity
  • Lead poisoning
  • Leigh disease
  • Leukomalacia
  • Meningitis
  • Mercury poisoning
  • Metachromatic leukodystrophy
  • Methanol poisoning
  • Mitochondrial encephalopathy (MELAS syndrome)
  • Moyamoya disease
  • Multiple sclerosis
  • Ornithine transcarbamylase deficiency
  • Postcardiopulmonary bypass hypotension
  • Posterior reversible encephalopathy syndrome
  • Preeclampsia
  • Subacute sclerosing panencephalitis
  • Systemic lupus erythematosus
  • Uremia