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  • Title: Feasibility of snare papillectomy in ampulla of Vater tumors: meta-analysis and study results from a tertiary referral center.
    Author: Heinzow HS, Lenz P, Lenze F, Domagk D, Domschke W, Meister T.
    Journal: Hepatogastroenterology; 2012; 59(114):332-5. PubMed ID: 21940377.
    Abstract:
    BACKGROUND/AIMS: Ampulla of Vater tumors represent a rare tumor entity and bear a malignant potential. This study at our tertiary referral center aimed at evaluating the feasibility of endoscopic snare papillectomy and long-term endoscopic surveillance in comparison to results of a meta-analysis of comparative trials. METHODOLOGY: Retrospective study in comparison to results of a meta-analysis. Twenty-one patients (mean age 60.2±12.8 years) with ampullary adenoma were included. All patients had undergone ERCP with endoscopic forceps biopsies prior to endoscopic snare papillectomy. Statistical analysis was applied including descriptive analysis of symptoms, therapy and complications. RESULTS: ESP was technically successful in all 21 patients. Histopathology showed 18 adenomas and 3 focal adenocarcinomas which were referred to surgery for modified Whipple's procedure. Follow-up was available in all patients with a mean follow-up of 64 months. Adenoma recurrence occurred in three patients with a mean recurrence time of 25 months (range, 4-66 months). One patient had residual adenoma growth. CONCLUSIONS: In the majority of cases ampullary adenomas can be treated endoscopically. Forceps biopsies alone are not reliable enough in detecting malignancy. All patients with ampullary tumor should therefore undergo ESP. Due to the recurrence rate of 16% patients should have close follow-up.
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