1　临床资料患儿 ,男性 ,3个月。患儿出生时其母亲即感到患儿右侧腹内有一肿物 ,肿块体积逐渐增大 ,质硬 ,右腹明显隆起不对称。当地医院行 B超检查示 :肝右叶巨大占位性质不明。查体 :患者营养及发育正常 ,胸、心、肺未见异常。腹饱满 ,外形明显不对称 ,右上腹明显膨隆 ,腹壁 1 clinical data in children, men, 3 months. Children born at the time that their mothers felt the abdomen had a tumor in the right side of the abdomen, the volume of the tumor gradually increased, hard, obvious right ascension uplift asymmetry. B-line ultrasound examination at the local hospital showed that the mass of the right lobe of liver was unknown. Physical examination: patients with normal nutrition and development, chest, heart, lung no abnormalities. Abdominal full, apparent asymmetry in shape, the right upper quadrant was significantly bulging, abdominal wall