A 32-year-old lady presented with primary infertility and a 1-year history of recurrent left-flank pain. She was found to have left lower ureteric obstruction on intravenous urography. No specific cause for the obstruction could be determined preoperatively. The patient underwent open extraperitoneal surgery to determine the cause and to treat the obstruction. A 4-mm vessel was seen crossing over the ureter at the site of narrowing. It was the persistent umbilical artery traced in continuity from the internal iliac artery. The vessel was resected, and the ureter was reimplanted into the bladder. Extrinsic obstruction of the distal ureter because of aberrant or persistent vessels has been infrequently reported. Such reports predominantly refer to children, and the diagnosis is usually made at laparotomy, frequently following previous failed attempts at endourological management.

Keywords:
Persistent umbilical artery, Vascular ureteric obstruction, Ureter reimplantation
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© 2000 S. Karger AG, Basel
2000
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