Vas deferens ectopia is a rare congenital anomaly associated with urinary tract and anorectal anomalies. It is important to recognize the complex embryology of the reproductive, urinary, and lower enteric systems to understand how these processes can go awry.<sup>1Vordermark J.S. The persisting mesonephric duct syndrome: the description of a new syndrome J Urol 1983 ;  130 : 958-961 [cross-ref]

Cliquez ici pour aller à la section Références</sup> As the ureteric bud arises from the mesonephric duct, a failure of the channel that connects the two to obliterate can produce an ectopic vas deferens connected to the ureter or bladder.<sup>2Mahboubi S, Spackman Tj Ectopic vas deferens: a report of two cases and review of the literature Am J Roentgenol 1978 ;  130 : 1093-1095ajr.130.6.1093 [cross-ref]

Cliquez ici pour aller à la section Références</sup> We present a 2-month-old male with vas deferens ectopia. Our patient uniquely did not present with associated anorectal anomalies or urinary tract symptoms.