戴××,男,15岁,学生,1981年1月14日入院。入院前二个月发现面色渐见苍白,有时似有眼睑浮肿。入院前二周门诊检查血常规红细胞293万/mm~3,血红蛋白9.3克%,白细胞26,000～52,800/mm~3,嗜酸性细胞占75～78%,24小时尿蛋白定量6.75克。入院前四个月曾赤足下田,当时足底有过丘疹。体检:面色稍苍白,血压110/70mmHg。心肺 Dai × ×, male, 15 years old, student, January 14, 1981 admission. Two months before admission found that pale complexion, and sometimes seems to eyelid edema. Two weeks before admission, blood routine erythrocytes were detected at 293,000 / mm ~ 3, 9.3% of hemoglobin, 26,000 ~ 52,800 / mm ~ 3 of leucocytes, 75 ~ 78% of eosinophils, and 6.75 g of urine protein at 24 hours. Four months before admission, she went barefoot down to the fields. At that time, she had pimples. Physical examination: looking slightly pale, blood pressure 110 / 70mmHg. Heart and lungs