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International Journal of New Technology and Research

Impact Factor 3.953

(An ISO 9001:2008 Certified Online Journal)
India | Germany | France | Japan

Etiological Classification of Bile Duct Dilatation and Proportion of Each Cause in 1430 Patients

( Volume 1 Issue 5,September 2015 ) OPEN ACCESS

Yunfu Lv, Xiaoyu Han1, Xiaoguang Gong, Haiying Wu, Ning Liu, Yanfen Hu, Jie Deng, Yejuan Li, Qingqing Li


Objective: To investigate the etiology of bile duct dilatation and proportion of each cause. Methods: A retrospective study was performed by classification on clinical data collected from 1430 patients with bile duct dilatation in our hospital from January 2000 to December 2013.  Results: There were 90 patients with congenital bile duct cysts (6.3%) and 1340 with secondary bile duct dilatation (93.7%). In total, 22 categories of causes were identified. Among them, the top five were bile duct stones (n=476, 33.3%), pancreatic head carcinoma (n=179, 12.5%), periampullary carcinoma (n=159, 11.9%), cholangiocarcinoma (n=89, 6.2%), and chronic pancreatitis or pancreatic head cyst (n=80, 5.6%). Conclusion: The causes of bile duct dilatation can be classified into congenital and secondary categories. The former accounted for approximately 6.0% and the latter for approximately 94%. The most common causes were bile duct stones, pancreatic head carcinoma and periampullary carcinoma.

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