Introduction: Retrocaval ureter is a rare congenital anomaly concerning the inferior vena cava and the ureter, where the infra-renal segment of the vena cava is in front of the ureter embryologically normal. This anomaly is more frequent in the male sex. Its symptoms are dominated by right lumbar pain, which is managed surgically as dictated by its intensity. Observations: The cases involved three male patients aged 42 years, 38 years and 39 years respectively. These patients had consulted for intermittent right lumbar pain similar to that of renal colic. The patients’ general condition was satisfactory. Renal function was normal. Urinary tract ultrasound, IVU and scanning were the main imagery examinations used in diagnosing retrocaval ureter, confirmed by exploratory lumbotomy. Ureteral anastomosis in front of the vena cava was carried out in the 3 patients during simple surgical procedure that resulted in disappearance of the lumbar pain. Conclusion: Retrocaval ureter is a rare congenital malformation, often encountered in the male sex. Clinical symptoms are dominated by right lumbar pain similar to renal colic. Surgical treatment is dictated by the intensity of the pain.
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