Microscopically, extrahepatic biliary atresia leads to this appearance in the liver, with numerous brown-green bile plug镜下见，肝外胆道闭锁导致肝脏大量黄绿色胆栓、假胆管增生（见于下面的中央）、广泛纤维化。
The Relationship between the prognosis of biliary atresia and the perinatal infection of cytomegalovirus;胆道闭锁与巨细胞病毒感染的相关性研究