Congenital prepubic sinus: a series of six cases of extremely rare congenital anomaly

Congenital prepubic sinus (CPS) is a very rare congenital anomaly. The baby generally present with discharge from an opening situated in midline below umbilicus to root of penis in male or clitoris in female child. The etiology of this congenital anomaly is not exactly known. There is debate in etiology as one theory support anomalous anterior abdominal wall closure and another support variant of dorsal urethral duplication. Here we are presenting the six cases of CPS with their management and brief discussion on theories that have been proposed for their etiology.