患者,女,70岁因反复发热1个月余于9月24日入住我科。患者入院前1个月无明显诱因出现反复低热,体温38℃左右,发热无明显规律,每次发热前畏寒、寒战,无流涕、咳嗽、咽痛,无午后潮热、夜间盗汗,多次至医院就诊,给予抗感染治疗后体温仍的37.5℃左右。患者入院前3个月感双下肢酸痛,进行性加重,逐渐出现行走困难,X 线腰椎摄片示腰椎退行性变,头颅 CT 末见异常,腰椎 CT 示腰3～5椎间盘轻度膨降,腰3～骶1退行性变。入院后体检:神志清,皮肤、巩膜无黄染,浅表淋巴结无肿大,胸骨无压痛,心、肺无明显异常,肝、脾肋缘下未及。双下肢肌力Ⅳ度,10月13日双下肢 Patients, female, 70 years old due to repeated fever more than 1 month in September 24 to stay in our department. There was no obvious predisposition for one month before admission. The body temperature was about 38 ℃. There was no obvious regularity of fever. Before each fever, chills, chills, no runny nose, cough, sore throat, no afternoon hot flashes, night sweats and more Times to the hospital for treatment, giving anti-infection treatment after the body temperature is still about 37.5 ℃. Three months before admission, the patients felt both lower extremity pain and progressive aggravation, and gradually became difficult to walk. X-ray films showed lumbar degenerative changes, and abnormal cranial CT images showed mild lumbar disc herniation in lumbar spine 3 to 5, Lumbar 3 ~ sacral 1 degeneration. Physical examination after admission: Consciousness, skin, sclera no yellow dye, superficial lymph nodes without swelling, no tenderness in the sternum, heart, lung no obvious abnormalities, liver, spleen under the edge of the ribs. Ⅳ lower limb muscle strength, October 13 double lower limbs