Posterior reversible encephalopathy syndrome and systemic vasculitis: report of six cases.

Objectives: Our objective was to describe the characteristics of posterior reversible encephalopathy syndrome (PRES) associated with systemic vasculitis.

Methods: A standardised questionnaire was used for a nationwide retrospective multicentre study in 2013 to collect clinical, radiological and outcome data about PRES associated with systemic vasculitis.

Results: We included six patients (all women; mean age 22.