例1:男,34岁。因关节肿痛,不规则发热;面部红斑,口腔溃疡半年;加剧半月入院。体查:体温38.7℃,血压15.6/10kPa,神清,面颊可见融合性水肿红斑。心肺无异常。肝脾未扪及;无腹水征。双膝关节肿胀。克、布氏征及巴彬斯基征阴性。实验室检查:血红蛋白90g/L,白细胞5.1×10~9/L,血小板150×10~9/L;尿常规蛋白++;白细胞0～ Example 1: Male, 34 years old. Due to joint swelling and pain, irregular fever; facial erythema, oral ulcers for six months; intensified half a month admitted to hospital. Physical examination: body temperature 38.7 ℃, blood pressure 15.6 / 10kPa, God clear, visible edema of the edema on the cheek erythema. No abnormal heart and lung. Liver and spleen not palpable; no signs of ascites. Double knee swelling. Grams, Brinell sign and Babinski sign negative. Laboratory tests: hemoglobin 90g / L, white blood cells 5.1 × 10 ~ 9 / L, platelets 150 × 10 ~ 9 / L; urinary protein +; white blood cells 0 ~