Surgery for hilar cholangiocarcinoma: French experience in a collective survey of 552 extrahepatic bile duct cancers
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Five hundred and fifty-two cases of primary carcinoma of the extrahepatic bile ducts (gallbladder and periampullary tumors excluded) collected from 55 surgical centers were reviewed retrospectively. Three hundred seven patients (56%) had upper-third lesions (proximal carcinoma), whereas 71 (13%) and 101 (18%), respectively, had middle-third and lower-third bile duct carcinomas. The remaining patients had diffuse lesions. Resectability rates were 32% for upper-third localization compared with 47% and 51% for middle-third and lower-third localization, respectively. The operative mortality rate for proximal carcinomas was significantly lower with resection (16%) compared with palliative surgery (31%) (P < 0.05). Overall 1 year survival (operative deaths excluded) was 68% after tumor resection compared to 31% after palliative surgery (P < 0.001). Long-term results after surgical resection correlated with local and regional extension of the disease. The results of this study show that resection of extrahepatic bile duct carcinomas, particularly in an upper-third localization, is often associated with worthwhile long-term survival.
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