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目的评估磁共振胰胆管成像(MRCP)对婴幼儿胆道闭锁的诊断价值。方法回顾性分析31例经腹腔镜探查及手术病理证实为胆道闭锁的婴幼儿的MRI和MRCP征象。结果 MRCP诊断胆道闭锁的特异性为100%,敏感性为87.1%;31例(100%)患儿均未见完整肝外胆道显示,20例(64.5%)肝门部可见局限斑片状长T2信号,10例(32.3%)胆囊未见显示,1例(3.2%)可见胆总管局限性囊状扩张。结论 MRCP可以准确鉴别婴幼儿胆道闭锁和婴儿肝炎综合征,可有效诊断婴幼儿胆道闭锁。
Objective To evaluate the value of magnetic resonance cholangiopancreatography (MRCP) in the diagnosis of biliary atresia in infants and young children. Methods The MRI and MRCP signs of 31 children with biliary atresia confirmed by laparoscopy and surgical pathology were analyzed retrospectively. Results The specificity of MRCP in diagnosing biliary atresia was 100% and the sensitivity was 87.1%. No complete extrahepatic biliary tract was found in all 31 cases (100%). The localized patchy lesions were visible in 20 cases (64.5%) T2 signal, 10 cases (32.3%) showed no gallbladder, 1 case (3.2%) showed the limitations of common bile duct dilatation. Conclusion MRCP can accurately distinguish infants and young children biliary atresia and infant hepatitis syndrome, which can effectively diagnose infantile biliary atresia.