Anderson-Hynes dismembered ureteropyeloplasty has been the gold standard surgical treatment for ureteropelvic junction obstruction (UPJO) caused either by crossing renal vessel or by a stenotic junction in children. Nowadays it is still discussed which could be the best surgical approach. All the techniques actually used have the goal to improve functional outcome and to reach better results in terms of reducing traumatic damage, postoperative pain and therefore reduction of hospitalization. We are presenting our experience in the treatment of UPJO by open dismembered pyeloplasty with a minimal invasive approach using the Alexis®(Applied Medical, Rancho Santa Margherita, CA) autostatic wound retractor.
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