Potentially reversible and recognizable acute encephalopathic syndromes: Disease categorization and mri appearances

Y. Koksel, Alexander M McKinney

Research output: Contribution to journalReview articlepeer-review

15 Scopus citations

Abstract

"Encephalopathy" is a vague term that encompasses varying definitions, often with a nonspecific clinical presentation and numerous possible pathophysiologic causes. Hence, MR imaging plays a crucial role in the early diagnosis and treatment by identifying imaging patterns when there is limited clinical history in such patients with acute encephalopathy. The aim of this review was to aid in remembrance of etiologies of potentially reversible acute encephalopathic syndromes on MR imaging. The differential includes vascular (reversible cerebral vasoconstriction syndrome, transient global amnesia, disseminated intravascular coagulation, and thrombotic microangiopathy), infection (meningitis, encephalitis), toxic (posterior reversible encephalopathy syndrome, acute toxic leukoencephalopathy; carbon monoxide, alcohol-related, medication- A nd illicit drug-related toxic encephalopathies), autoimmune, metabolic (osmotic demyelination syndrome, uremic, acute hepatic encephalopathy), idiopathic/inflammatory (stroke-like migraine attacks after radiation therapy syndrome), neoplasm-related encephalopathy, and seizure-related encephalopathy.

Original languageEnglish (US)
Pages (from-to)1328-1338
Number of pages11
JournalAmerican Journal of Neuroradiology
Volume41
Issue number8
DOIs
StatePublished - Aug 1 2020

Bibliographical note

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© 2020 American Society of Neuroradiology. All rights reserved.

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