3岁小儿,右股部肿块半月,半年来常吃石蟹.查体:呼吸急促,双颈、右腋下、右腹股沟可触及蚕豆大小淋巴结3～4个,稍硬且相互粘连,左肺底可闻湿罗音,心无殊,肝右肋下4.5cm,脾肋下1.5cm,右股外侧见1.5×1.5cm肿块,无波动感,实验室检查:白细胞16200/mm~3,中性23%,淋巴30%,嗜酸性47%,嗜酸细胞计数1034个/mm~3,尿蛋白(+),红细胞2～4/HP,血沉25mm/小时,心电 3-year-old children, the right femoral mass for half a month, six months to eat stone crab. Physical examination: shortness of breath, double neck, right armpit, right groin can reach the size of lymphatic nodes 3 to 4, slightly stiff and mutual adhesions, left lung bottom May smell the wet rales, the heart of special, the right rib under the ribs 4.5cm, 1.5cm under the spleen ribs, see the right side of the lateral mass 1.5 × 1.5cm mass, no fluctuations, laboratory tests: white blood cells 16200 / mm ~ 3, neutral 23%, lymphatic 30%, eosinophilic 47%, eosinophil count 1034 / mm ~ 3, urine protein (+), erythrocyte 2-4 / HP, erythrocyte sedimentation rate 25mm /