BACKGROUND AND OBJECTIVES: Prognostic indicators for patients with distal cholangiocarcinoma have not been confirmed because of its rarity. The aim of this study was to identify useful prognostic factors in patients undergoing surgical resection for distal cholangiocarcinoma. METHODS: Charts of 43 patients with distal cholangiocarcinoma who underwent surgical resection were retrospectively reviewed. Pancreatoduodenectomy was performed in 35 patients, and segmental bile duct resection in 8. Potential clinicopathological prognostic factors were examined by univariate and multivariate survival analysis. RESULTS: Postoperative complications occurred after surgery in 19 patients (44%), but there was no mortality. Overall survival rates were 72%, 53%, and 44% for 1, 3, and 5 years, respectively (median survival time, 26.0 months). Univariate analysis found that older age, pathological pancreatic invasion, lymph node metastasis, perineural invasion, positive surgical margin, and TNM stages II and III were significant predictors of poor prognosis (P < 0.05). Furthermore, lymph node metastasis and positive surgical margin were found to be significant independent predictors of poor prognosis with a Cox proportional hazards regression model (P < 0.05). CONCLUSIONS: These results suggest that lymph node metastasis and positive surgical margin as determined by surgical resection might be useful in predicting post-surgical outcome in patients with distal cholangiocarcinoma.
BACKGROUND AND OBJECTIVES: Prognostic indicators for patients with distal cholangiocarcinoma have not been confirmed because of its rarity. The aim of this study was to identify useful prognostic factors in patients undergoing surgical resection for distal cholangiocarcinoma. METHODS: Charts of 43 patients with distal cholangiocarcinoma who underwent surgical resection were retrospectively reviewed. Pancreatoduodenectomy was performed in 35 patients, and segmental bile duct resection in 8. Potential clinicopathological prognostic factors were examined by univariate and multivariate survival analysis. RESULTS:Postoperative complications occurred after surgery in 19 patients (44%), but there was no mortality. Overall survival rates were 72%, 53%, and 44% for 1, 3, and 5 years, respectively (median survival time, 26.0 months). Univariate analysis found that older age, pathological pancreatic invasion, lymph node metastasis, perineural invasion, positive surgical margin, and TNM stages II and III were significant predictors of poor prognosis (P < 0.05). Furthermore, lymph node metastasis and positive surgical margin were found to be significant independent predictors of poor prognosis with a Cox proportional hazards regression model (P < 0.05). CONCLUSIONS: These results suggest that lymph node metastasis and positive surgical margin as determined by surgical resection might be useful in predicting post-surgical outcome in patients with distal cholangiocarcinoma.
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