Posterior Reversible Encephalopathy in Undiagnosed Systemic Lupus Erythematous: A Case Report.

A 33-year old Malay woman with undiagnosed systemic lupus erythematosus (SLE) and other comorbids presented with acute glomerularnephritis, hypertensive emergency and later acute confusional state. Cranial MRI revealed features consistent with posterior reversible encephalopathy syndrome (PRES).