例1女,16岁。主因多食易饥3个月,发热3d入院。入院前3个月出现多食易饥,未予注意,入院前40d于当地检验甲状腺功能诊为甲状腺功能亢进,服他巴唑20mg,每日3次,入院前10d当地查白细胞尚正常,入院前3d发热高达40.7℃,伴咽痛,当地查白细胞0.5×109/L,遂来就诊。门诊查血常规:白细胞0 Example 1 Female, 16 years old. The main reason to eat more easily hungry for 3 months, fever 3d admission. 3 months before admission, eat more easily hungry, not pay attention, 40d before admission to the local inspection of thyroid function was diagnosed as hyperthyroidism, taking methimazole 20mg, 3 times a day, before admission 10d local white blood cells are normal, admitted to hospital Before the 3d fever as high as 40.7 ℃, with sore throat, local white blood cells 0.5 × 109 / L, then came to the clinic. Outpatient blood test routine: white blood cells 0