某男 ,9岁 ,反复发热、头痛 44d,体温在38℃～ 39 6℃之间。头痛位于前额部 ,呈阵发性钝痛 ,伴呕吐胃内容物 ,每日 1～ 2次 ,量少 ,非喷射性。发病第 2d在院外就诊 ,头颅MRI及胸片正常 ,脑脊液常规 :WBC1 0× 1 0 6 L ,生化正常。按病毒性脑炎治疗 ,于病程第 8d、 2 1d、 31d复 A male, 9 years old, recurrent fever, headache 44d, body temperature between 38 ℃ ~ 39 6 ℃. Headache in the forehead, was paroxysmal dull pain, vomiting stomach contents, 1 or 2 times a day, the amount of less, non-jet. On the 2nd day of onset, the patients were treated outside the hospital. The skull MRI and chest radiograph were normal. The routine cerebrospinal fluid was WBC1 0 × 106 L with normal biochemistry. By viral encephalitis treatment, in the course of the first 8d, 2d, 31d complex