Intracranial hemorrhage in the setting of posterior reversible encephalopathy syndrome: two case reports and a review.

Posterior reversible encephalopathy syndrome (PRES) is clinically characterized by seizures, changes in vision, altered mental status, and headache, with associated radiologic changes on brain imaging. Intraparenchymal hemorrhage is a rare complication of PRES and an atypical initial presentation of this condition. In this report, we discuss two patients who presented with multifocal cerebral hemorrhages that were later attributed to PRES. We further expand on the pathophysiology, management, and prognosis on patients with hemorrhagic PRES. Increased awareness of this complication of PRES is important in guiding prognostication and treatment.