Survival After Resection of Ampullary Carcinoma: A National Population-Based Study
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Ampullary cancer is the second most common periampullary cancer, with a resection and survival rate more favorable than that for pancreatic cancer. However, most reports have been conducted at single institutions with small sample sizes, and results may not reflect the practices and outcomes in the community. Our objective was to complete a population-based analysis of patients undergoing resection for ampullary carcinoma and compare it with outcomes in the published literature.
Patients diagnosed with ampullary cancer reported in the Surveillance, Epidemiology, and End Results program (1988–2003) were collected. Primary outcome was survival (5-year), and secondary outcome was stage at presentation. Comparisons were made with outcomes reported in the literature (resection rate, perioperative mortality, and 5-year survival).
Of the 3292 ampullary cancer patients, 1301 (40%) underwent resection. Thirty-seven percent presented with stage I tumors. Perioperative mortality (30 day) was 7.6% after resection, and 5-year survival was 36.8%. Few patients died if they survived at least 5 years. The cancer registry data showed less early stage disease, higher perioperative mortality, and lower 5-year survival compared with published reports.
This is the largest population-based analysis of ampullary carcinoma. Resection rates and survival at the national level are lower, in general, compared with cancer center reports, which may have implications for regionalizing these procedures. Many patients surviving at least 5 years seem to be cured by surgical resection.