1病例介绍患者,女性,15岁,主因发热伴腰背部疼痛5 d于2002年11月12日入我院血液科,患者于11月8日无明显诱因出现发热,全身疼痛,自测体温37.9 ℃,无咳嗽、咽痛,无关节肿胀、皮疹,在中国西电医院就诊化验血常规:血红蛋白124 g/L,白细胞12.5×109/L,中性粒细胞占38.4 %,淋巴细胞占 1 Case Description Patients, female, 15 years old, mainly due to fever with low back pain 5 d in November 12, 2002 into our hospital hematology, patients on November 8 no obvious incentive to fever, body pain, self-test temperature 37.9 ℃, no cough, sore throat, no joint swelling, rash, blood tests in China’s Western Hospital blood tests: hemoglobin 124 g / L, white blood cells 12.5 × 109 / L, neutrophils accounted for 38.4% of lymphocytes