Posterior reversible encephalopathy syndrome (PRES).

Posterior reversible encephalopathy syndrome (PRES) is described neurological condition identifiable by clinical and radiological presentation. It occurs due to elevated blood pressure which exceeds auto-regulatory capacity of brain vasculature. PRES is characterized by headache, confusion, seizures, and altered mental function. In this report we describe a case of eleven-year-old boy who was hospitalized, because of nausea, vomiting, intermittent fever, headache, confusion and distress. Because of suspicion of encephalitis CT and MRI examinations were performed immediately where was established diagnose of PRES syndrome.