The Correlation of pancreaticobiliary maljunction and extrahepatic biliary carcinoma
ZHAO Xin, LI De-Chun, CAI Wu, LIU Yong-Gao, SHU Dong-Meng, DIAO Hua, ZHANG Zi-Xiang
Chinese Journal of Clinical Anatomy ›› 2011, Vol. 29 ›› Issue (3) : 287-290.
The Correlation of pancreaticobiliary maljunction and extrahepatic biliary carcinoma
Objective To explore the correlation between pancreaticobiliary maljunction (PBM) and biliary carcinoma, including gallbladder carcinoma and extrahepatic biliary duct carcinoma. Methods We retrospectively analyzed clinical data and magnetic resonance cholangiopancreatographic results of 857 patients underwent magnetic resonance cholangiopancreatography (MRCP) in our hospital from January 2008 to December 2009. The length of common ducts and the confluence angle were measured. Eventually, 67 cases were diagnosed as PBM. In order to evaluate the correlation between PBM and extrahepatic biliary carcinoma, we randomly drew 78 cases from the 790 cases without PBM as the controls. Results 38 cases (56.72%) were diagnosed as biliary carcinoma from 67 cases of PBM, while 11 cases (14.10%) were diagnosed as biliary carcinoma in controls. The incidence of biliary carcinoma in PBM cases was significantly higher than that in no-PBM cases（χ2=22.27, P<0.05）. In cases of PBM complicated with biliary carcinoma, no correlation was found between PBM confluence types and the differentiation of biliary carcinoma（χ2=2.70, P>0.05）. Conclusions PBM is closely related to extrahepatic biliary carcinoma, however, there was no correlation between PBM confluence types and the differentiation of biliary carcinoma.
pancreaticobiliary maljunction / magnetic resonance cholangiopancreatography / biliary carcinoma / correlation
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