小儿先天性总胆管囊肿的CT诊断

搜集经手术病理证实的小儿先天性总胆管囊肿２７例，行钡餐造影及Ｂ超检查。结果：除一例因囊肿穿孔合并大量腹水误诊外，其余２６例ＣＴ检查均可显著病变的部位、大小及毗邻关系。病因及分型以肝外型为多，１５例占５６％，混合型１２例占４４％，无一例为单纯性肝内胆管囊状扩张。结论：ＣＴ诊断先天性总胆管囊肿明显优于口服钡餐及Ｂ超检查，可做为一种首选常规检查方法。

CT DIAGNOSIS OF CONGENITAL CHOLEDOCHAL CYST IN CHILDREN

purpose:to evaluate the value of CT examination in the diagnosis of congenital choledochal cysts in children;materials and methods:27 cases of pathologically and surgically diagnosed congenital choledochal cysts in children were collected,4 of which were boys and 23 girls,aged from 5 months to 14 years.Barium meal and ultrasonic examinations were done on all 27 cases at the same time;Results:the sites、sizes and relatioship to nearby organs of all cases can be displayed by CT examnation except one case,which was misdiagnosed due to the perforation of the cyst with complication of large amount of ascites.The causes and typing of the disease were also discussed in the article with 15 cases (56% of the total) being the extrahepatic type and 12 cases (44%) mixed type,none of the case is simlpe saccular dilation of intrahepatic duct;conclusion:CT examination is superior to barium meal and ultrasonic examination in diagnosis of congenital choledochal cysts.Because it can display the cross section images of human body without being influenced by the overlapping effect of organs,therefore can be adopted as the first choice rutine examination.