患儿女,13岁。因左腘窝处反复发作剧烈疼痛6年于1984年7月3日入院。7年前患儿常有间断发热,体温一般在38℃左右,不伴有其他症状,每次持续2～3天,热退后生活正常。多次去医院检查未发现异常。一年后很少再发热。但继续有突然左腘窝处阵发性剧烈疼痛,服止痛剂无效。6年 Children with children, 13 years old. Due to recurrent left fossa nest severe pain for 6 years in July 3, 1984 admission. 7 years ago, children often have intermittent fever, body temperature is generally about 38 ℃, without any other symptoms, each lasting 2 to 3 days, the normal life back fever. Many times to the hospital found no abnormalities. Few more fever after one year. But continued to have sudden left popliteal paroxysmal severe pain, service painkillers invalid. 6 years