患者男,1 6/12岁,汉族。家长于数月前发现其子腹部略膨出且越来越大,查体:腹部明显膨隆,触之质硬。B超显示肝脏大小形态如常,腹腔内探及一巨大实性回声团,类圆形,边界清晰,上界在肝下缘,下界至脐部,其回声略低于肝组织的实性回声,内可见数个散在的小液暗区。考虑腹腔巨大实性占位病变。核磁共振(MRI)显像:腹腔巨大实性肿块,大小约15 Patient male, 1 6/12 years old, Han nationality. Parents a few months ago found that the child’s abdomen slightly bulging and growing, physical examination: the abdomen bulging bulging, touching the hard. B ultrasound shows the size and shape of the liver as usual, intra-abdominal exploration and a huge solid echo group, round, clear boundary, upper bound in the lower edge of the liver, lower bound to the umbilicus, the echo is slightly lower than the real echo of liver tissue, Within a few scattered in the small liquid dark area. Consider the massive abdominal solid lesions. Magnetic resonance imaging (MRI): huge peritoneal mass, about 15 in size