Posterior reversible encephalopathy syndrome (PRES) induced by cyclosporine use in a patient with collapsing focal glomeruloesclerosis.

Background: Posterior reversible encephalopathy syndrome (PRES) is characterized by abnormalities in cerebral white matter and neurologic symptoms. It can be caused by immunosuppressive drugs or autoimmune diseases. We describe a case of PRES in a patient with collapsing focal glomeruloesclerosis (collapsing FGS) with complete recovery after withdrawal of cyclosporine (CSA).