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近端胆管癌是指原发于胆囊管开口以上，主要侵犯肝总管和其分叉部以上的左右肝管的胆管癌。约占肝外胆管癌的５６％［１］，现已成为临床研究的重点之一。１病因及病理胆管癌的病因不详，主要与下列因素有关：原发性硬化性胆管炎，Ｒｏｓｅｎ报道并发原发性硬化性胆管炎的...
Proximal cholangiocarcinoma is cholangiocarcinoma that occurs above the opening of the cystic duct and invades the common hepatic duct and the left and right hepatic ducts above its bifurcation. About 56% of extrahepatic bile duct cancer [1], has now become one of the focuses of clinical research. 1 etiology and pathology The cause of cholangiocarcinoma is unknown, mainly related to the following factors: Primary sclerosing cholangitis, Rosen reported the concomitant primary sclerosing cholangitis ...