Results The final diagnosis of 16 cases were 14 cases of extrahepatic choledochocele,2 cases of mixed choledochocele and 1 case of mesenteric cyst.

• 结果肝外胆总管囊肿14例,混合性2例,肠系膜囊肿误诊为肝外胆总管囊肿1例。