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The imaging spectrum of posterior reversible encephalopathy syndrome: A pictorial review.

TitleThe imaging spectrum of posterior reversible encephalopathy syndrome: A pictorial review.
Publication TypeJournal Article
Year of Publication2018
AuthorsBrady E, Parikh NS, Navi BB, Gupta A, Schweitzer AD
JournalClin Imaging
Volume47
Pagination80-89
Date Published2018 Jan - Feb
ISSN1873-4499
Abstract

Posterior reversible encephalopathy syndrome (PRES) is characterized by the acute onset of neurologic symptoms (headache, altered mental status, visual changes, seizures) with accompanying vasogenic edema on brain imaging. Risk factors for PRES include infection, uremia, malignancy, autoimmune disorders, the peripartum state and hypertension. PRES is classically described as being posterior (i.e. parieto-occipital) but radiologic variants are increasingly recognized. This pictorial review demonstrates the heterogeneity of the different radiologic presentations of PRES in reference to lesion distribution, hemorrhage, diffusion restriction, contrast enhancement, and other associated findings.

DOI10.1016/j.clinimag.2017.08.008
Alternate JournalClin Imaging
PubMed ID28910681