Hình ảnh cộng hưởng từ mật - tụy trước mổ và hình ảnh nang ống mật chủ trong mổ ở trẻ em

Objective: Assessment for diagnosis and survey of biliary abnormalities in coordination choledochal cyst (CC) in children with magnetic resonnace cholangiopancreatography (MRCP). Methods: All patients diagnosed with CC, examined preoperative MRCP and laparoscopic cystectomy and Roux-en-Y bilio-enterotomy at No.l Children's Hospital from Sept 2009 to Dee 2011. Biliary findings on MRCP would be compared with findings of intraoperation. Results: There were 85 patients. The types of CC (type IA n= 20; type IB n=2; type IC n=20; type IVA n=39; type IVB n=4) determined on MRCP correlated with that identified on intraoperative findings. The detection rate of the pancreatiobiliary junction was 81.17 percent and abnormal bile-pancreatic junction was 91.13 percent. The sensitivity, specificity and accuracy of MRCP in the diagnosis of cystic type was 100 percent, 100 percent, 100 percent ; in the stones were 80 percent, 100 percent and 80.76 percent; in the hepatic duct stricture was 100 percent, 98.33 percent and 96.15 percent; in the anatomic variants were 100 percent,100 percent and 100 percent, respectively. Conclusions: MRCP was accurate and noninvasive diagnostic tool for type of CC. It could be used to detect co-existing biliary anomalies and anatomical variants in CC in children.