4.1 Article

Posterior reversible encephalopathy syndrome in acute pancreatitis: a rare stroke mimic

Journal

BMJ CASE REPORTS
Volume 13, Issue 9, Pages -

Publisher

BMJ PUBLISHING GROUP
DOI: 10.1136/bcr-2019-232228

Keywords

neuroimaging; neurology; stroke; brain stem; cerebellum

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We report a 71-year-old woman who presented with Posterior Reversible Encephalopathy Syndrome (PRES) in the setting of acute pancreatitis. On day 3 of her admission, she developed transient right-sided upper and lower limb weakness, reduced visual acuity and encephalopathy, initially regarded as an acute stroke. Brain MRI fluid-attenuated inversion recovery (FLAIR) T2 imaging performed the same day confirmed occipital and parietal hyperdensities consistent with PRES. Her blood pressure never exceeded 150/75 mm Hg throughout the course of the admission. Our case demonstrates PRES in the setting of acute pancreatitis with only a relatively moderate elevation in blood pressure. In order to prevent unnecessary intervention in the setting of presumed acute stroke, it is important to consider the potential differential diagnoses including PRES as rare masquerade of acute stroke or transient ischaemic attack.

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