患儿,女,2岁。于2015年9月6日因“腹部包块”收住入院。于入院前两天摔倒后出现右下腹疼痛,家长查体发现右下腹有一包块,触痛明显。查体:一般情况好,心肺(—),腹部略膨隆,于右中下腹部可触及一包块,大小约8.0cm×6.0cm×5cm,质地稍硬,表面欠光滑,边界欠清,左右活动度较大。腹部CT平扫+增强示(图1):腹腔内偏右侧见一巨 Children, female, 2 years old. On September 6, 2015, he was admitted to hospital for “abdominal mass ”. Right lower quadrant pain occurred after falling over two days before admission. Parents found a mass of the right lower abdomen in his examination and the tenderness was obvious. Physical examination: the general situation is good, cardiopulmonary (-), the abdomen slightly bulging, in the right lower abdomen can reach a mass of about 8.0cm × 6.0cm × 5cm, texture slightly hard, the surface less smooth, less clear border Greater activity. Abdominal CT scan + enhancement (Figure 1): see the right side of the abdominal a giant