Retrocaval ureter: a rare congenital anomaly presenting as renal colic with hematuria

Retrocaval ureter, a congenital venous anomaly of inferior venacava development was first reported by Hochstetter in 1893. Though rare, it causes wide variety of symptoms ranging from asymptomatic individuals to end stage renal disease. Preoperative diagnosis is usually confirmed by imaging. In symptomatic cases, surgical intervention should be performed and renal function improves after operation. This article presents here, a case of retrocaval ureter presenting as renal colic with hematuria because of more degree of obstruction by inferior venacava with symptoms and signs, operative and perioperative management, as well as literature review of this rare clinically important entity.