患者男,38岁。于1988年9月3日不慎将左小腿前皮肤擦伤(4cm×0.5cm),无感染。3天后开始出现骶髂部疼痛,步行时加重。发热(38～41℃),用“青霉素、庆大霉素”等治疗,无明显好转,于9月13日收住我科。检查:急性病容,面色潮红,全身表浅淋巴结不肿大,胸、腹正常。左骶髂部稍肿胀,压痛明显,无皮肤充血,“4”字试验阳性。心电图、B超(肝、胆、脾、胰、肾、腹部)均正常,胸部平片、肝功能,肾功能检查未见异常,血沉62mm/h,抗O< Male patient, 38 years old. In September 3, 1988 inadvertently left lower extremity skin abrasions (4cm × 0.5cm), no infection. Three days later began to appear sacral iliac pain, walking heavier. Fever (38 ~ 41 ℃), with “penicillin, gentamicin” and other treatment, no significant improvement, on September 13, admitted to our department. Check: acute disease, pale flush, systemic superficial lymph nodes are not enlarged, chest, abdomen normal. Left sacral iliac Ministry slightly swelling, tenderness, no skin congestion, “4” test positive. Electrocardiogram, B ultrasound (liver, gallbladder, spleen, pancreas, kidney, abdomen) were normal, chest plain film, liver function, renal function tests were normal, ESR 62mm / h,