例１女，３岁。因下腹部包块半年于１９９３年４月２０日入院。半年前偶然发现小儿下腹部包块，当地考虑为大便块而未予特殊处理，肿块进行性生长，伴间歇性腹痛、腹胀。近２个月出现低热，精神食欲差，消瘦。检查：发育营养差，慢性消耗病容，浅表淋巴结无肿大。腹胀，肝... Example 1 female, 3 years old. Due to lower abdominal mass six months in April 20, 1993 admission. Occasionally found in children six months ago, the lower abdomen mass, the local consideration for the stool without any special treatment, mass growth, with intermittent abdominal pain, abdominal distension. Nearly 2 months of fever, poor mental appetite, weight loss. Check: Development of poor nutrition, chronic consumption of disease, superficial lymph nodes without swelling. Bloating, liver ...