患儿男,1岁。因苍白、纳差2个月,腹部包块半月入院。生后健康,发育正常。两月来精神萎靡,食少、苍白、消瘦。1月来腹部拒按,半月前右上腹出现核桃大包块,渐增大。在某院B超检查提示肝内有49×38mm和82×60mm2个实性肿块。查体:体温38.2℃,慢性病容。腹膨隆,拒按,肝下缘在肋下7cm,并可触及一5×5cm肿块,质硬,边界不清。脾未触及。余无其他异常体征。化验检查:血红蛋白86g/L,白细胞19.3×10~9/L分数正常。尿蛋白(+),红细胞1～2个/HP,白细胞2～3个/HP。X线胸片提示左肺门钙化。临床诊断:肝母细胞瘤。入院第7日 Children male, 1 year old. Due to pale, anorexia for 2 months, abdominal mass hospitalized. Health after birth, normal development. Two months to apathetic, food less, pale, weight loss. Refusal to press the abdomen in January, a half months ago appeared on the right upper abdomen large walnut pieces, increasing. B-ultrasound in a hospital prompted a liver within the 49 × 38mm and 82 × 60mm2 2 solid mass. Physical examination: body temperature 38.2 ℃, chronic disease. Abdominal bulge, refused to press, the lower edge of the liver in the ribs 7cm, and palpable a 5 × 5cm mass, hard, unclear boundary. Spleen not touched. I no other abnormal signs. Laboratory tests: hemoglobin 86g / L, white blood cells 19.3 × 10 ~ 9 / L score normal. Urine protein (+), red blood cells 1 to 2 / HP, white blood cells 2 to 3 / HP. X-ray showed left lung calcification. Clinical diagnosis: hepatoblastoma. Admission on the seventh day