A rare case of duodenorenal fistula as a complication of urolithiasis and chronic pyelonephritis

The authors present successful surgical treatment of an 86-year-old female patient with duodenorenal fistula resulting from urolithiasis complicated by right-sided paranephric abscess. Surgical procedure involved closure of duodenorenal fistula, right-sided nephrectomy, closure of duodenal fistula and prepyloric duodenal occlusion. Postoperative period was uneventful. On the 21st postoperative day, the patient was discharged. The article also provides a brief review of literature data on etiology, diagnosis, and surgical treatment of duodenorenal fistulas.