病例报告患儿,女,10岁。因“间断发热6个月”入院。患儿入院前6个月开始无明显诱因出现发热,体温38~38.5℃左右,无明显午后潮热及夜间盗汗现象,无鼻塞、流涕、咽痛等上呼吸道症状,无咳嗽、咳痰,无皮疹及骨关节肿痛,无四肢麻木乏力感。院外查血常规白细胞14.1×109/L,C-反应蛋白49.86mg/L,血沉80.90mm/min;抗核抗体弱阳性;腹部超声:右下腹腔内较大淋巴结。甲功及血生化均正常, Case report Children, female, 10 years old. Due to “intermittent fever 6 months ” admission. There was no obvious predisposition to fever in the 6 months before admission, and the temperature ranged from 38 to 38.5 ℃. No obvious afternoon hot flashes and night sweats, no upper respiratory symptoms, no cough, sputum, No rash and swelling of joints and joints, no numbness and limb weakness. Blood routine examination of leukocytes 14.1 × 109 / L, C-reactive protein 49.86mg / L, erythrocyte sedimentation rate 80.90mm / min; weak positive anti-nuclear antibody; abdominal ultrasound: larger lymph nodes in the lower right abdominal cavity. Jia Gong and blood biochemistry are normal,