1病例资料1.1一般资料:患者,男,65岁,以“双下肢水肿10 d”为主诉入院。现病史:10 d前上呼吸道感染感染后出现双下肢水肿,伴尿量减少(具体不详),无肉眼血尿、尿频、尿急,无发热、皮疹、关节疼痛、口腔溃疡、脱发,遂至当地医院就诊,查血常规:WBC 12.88×109/L,Hb 173 g/L,血小板(PLT)291×109/L,中性粒细胞73.64%;尿常规:尿蛋白+++;生化:血清白蛋白(Alb)20 g/L,丙氨酸氨基转移酶(ALT)27 U/L,天门冬氨酸氨基转移酶(AST)40 U/L,碱性磷酸酶(ALP)138 U/L,血清 1 Case Information 1.1 General Information: The patient, male, 65 years old, with “double lower extremity edema 10 d ” mainly for admission. Current history: 10 days before the upper respiratory tract infection double lower extremity edema, accompanied by decreased urine output (specifically unknown), no gross hematuria, frequent urination, urgency, no fever, rash, joint pain, mouth ulcers, hair loss, then to the local Hospital for treatment, blood routine examination: WBC 12.88 × 109 / L, Hb 173 g / L, platelet (PLT) 291 × 109 / L, neutrophils 73.64%; urinary routine: urinary protein +++; Alb 20 g / L, alanine aminotransferase 27 U / L, aspartate aminotransferase 40 U / L, alkaline phosphatase ALU 138 U / L, serum