Complicated UTI – A Rare Cause of Spontaneous Perirenal Hematoma.

Spontaneous renal hemorrhage is an unusual complication of urinary tract infection. A 56-year-old man, diabetic with single functional kidney was admitted with fever and abdominal pain for one day. He had pyuria and an obstructed renal moiety due to a lower ureteric stone. On evaluation, he was found to have a left perirenal hemorrhage. Drainage of the obstructed system was performed and hemorrhage was managed conservatively; in the postoperative period patient remained stable and was discharged. In conclusion, complicated urinary tract infection is a rare cause of the spontaneous perirenal hematoma and needs a high vigilance for diagnosis and management.