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  • Title: Factors influencing recurrence after curative resection for ampulla of Vater carcinoma.
    Author: Park JS, Yoon DS, Kim KS, Choi JS, Lee WJ, Chi HS, Kim BR.
    Journal: J Surg Oncol; 2007 Mar 15; 95(4):286-90. PubMed ID: 17326125.
    Abstract:
    BACKGROUND: Carcinoma of the ampulla of Vater has a relatively higher resection rate, lower recurrence rate, and more favorable prognosis than other malignant tumors of the periampullary region. Because of the relative low incidence of carcinoma of the ampulla of Vater, there have been few reports on the patterns and risk factors of recurrence after curative resection. The aim of this study was to evaluate the patterns and risk factors of recurrence after curative resection of ampulla of Vater carcinoma. MATERIALS AND METHODS: Between January 1992 and December 2002, 102 patients received radical resection for ampulla of Vater carcinoma at Yonsei University Medical Center. Fifteen patients were excluded because of incomplete clinicopathologic data. Finally, 87 patients were reviewed and analyzed to assess predictors of tumor recurrence. RESULTS: Among the 87 patients, 37 patients (42.5%) experienced recurrent disease. The mean length of time to recurrence was 29.3 +/- 35.3 months, and the most common sites of recurrence were the intra-abdominal organs: liver and loco-regional lymph nodes. The patients were divided into two groups: early recurrence (<or=18 months) and late recurrence (>18 months). In the early recurrence group, ulcer formation tumors and poorly differentiated tumors were more common in comparison with the late recurrence group. Lymph node metastasis was identified as an independent factor of tumor recurrence after curative resection for ampulla of Vater carcinoma. CONCLUSION: Lymph node metastasis is the most important risk factor for recurrence after a curative resection. Also, the fact that a higher probability of recurrence is anticipated in cases of ulcer formation and poorly differentiated tumors, there exists a need for a close-up follow-up program.
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