Objective: To investigate the determinants of long-term survival for ampulla of Vater carcinoma treated by pancreaticoduodenectomy.
Methods: A total of 77 patients with ampulla of Vater carcinoma undergoing pancreaticoduodenectomy were reviewed. Kaplan-Meier method was used to analyze the survival rate. Independent t test was used for statistical comparison and COX regression model for multivariate analysis.
Results: No patient died as a result of surgery. The overall 5-year survival was 40.7%. Univariate analysis showed that perioperative serum carcinoembryonic antigen (CEA) level (P = 0.012), tumor invasion depth (P = 0.000), UICC stage (P = 0.000) and tumor size (P = 0.001) were significant prognostic factors of ampulla of Vater carcinoma; in multivariate analysis, only the tumor size (P = 0.000) was an independent prognostic factor of ampulla of Vater carcinoma.
Conclusion: Pancreaticoduodenectomy is associated with significant survival. Tumor size is the most important influencing factor of outcome after pancreaticoduodenectomy; in addition, perioperative serum CEA level, tumor invasion depth and UICC stage may also influence the survival rate, there exists a need for further follow-up studies.
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