男,38岁。因拔牙后间歇发热,持续蛋白尿伴四肢关节及右侧腰部疼痛3个月于1989年12月9日步行入院。既往体健。入院体检:T37.8℃,BP14/9kPa,右眼结膜明显充血,咽充血(++)。双肺未闻干湿性罗音,心率70次/分,律整。双肾区无叩痛,肝脾未扪及。第三腰椎棘突处有明显压痛,其余各关节及胸骨均无明显压痛。双下肢无浮肿。血红蛋白96.9g/L Male, 38 years old. Due to intermittent fever after tooth extraction, persistent proteinuria with limb joints and right lower back pain for 3 months on December 9, 1989 walking admission. Past physical health. Admission examination: T37.8 ℃, BP14 / 9kPa, right conjunctiva obvious congestion, pharyngeal congestion (++). Unhealthy lung wet rales lungs, heart rate 70 beats / min, law and order. Kidney area without percussion, liver and spleen not palpable. Third lumbar spinous process obvious tenderness, the rest of the joints and sternum were no significant tenderness. No lower extremity edema. Hemoglobin 96.9g / L