A rare case of congenital entrapment of the left ureter in an iliac bone canal causing left side hydroureteronephrosis is reported. The patient represented a case of congenital ureteral entrapment in a reversed C-shaped iliac bone canal that was missed before his laparoscopy. The ureter also had a retro-iliac course. The patient was successfully managed by laparoscopic ureteroureterostomy. Interestingly, in our experience, laparoscopy provided a minimally invasive milieu for both diagnosis and correction of this rare cause of obstructive uropathy.
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