We present a case report of uretero-acetabular fistula in a female complicating orthopaedic surgery of congenital coxal difformity. An ileal pedicle graft was used to replace the terminal ureter. The difficulty of such complication is to choose the best the rapeutic strategy between surgical and non surgical techniques. We review here the various urological armamentarium to affront such a rare and multifactorial complication.