[Papillosphincteroplasty and wirsungsphincteroplasty. 10 years of experience].

Authors personal experience during ten years in surgery Oddi's sphincter is reported. Indications and technique of papillosphincteroplasty and wirsungsphincteroplasty are described; results obtained in 504 surgical treatment of PSP (combined with WSP in 121 cases) are referred; failures and complications are described and estimated; long-term results are reported and methods used for their evaluation illustrated. Authors conclude with a favourable Judgement on PSP and WSP, since on the basis of investigations and indications described, they are the surgical treatment of choice in biliary and pancreatic pathology.