text: 【实验室检查】（一）尿液分析①尿常规：蛋白定性≥+++，肾炎性肾病可见血尿（离心尿红细胞＞10个/HP）；②尿C3及尿纤维蛋白原降解产物（FDP），肾炎性肾病时尿C3（+）、尿FDP增高；③尿蛋白电泳：单纯性肾病主要为白蛋白，肾炎性肾病时可出现大分子及小分子蛋白尿；④尿酶学：N-乙酰-β-葡萄糖氨基苷酶（NAG）升高见于大量蛋白尿时或病变影响肾小管功能时，尿溶菌酶升高反映肾小管吸收功能下降；⑤其他：视黄醛结合蛋白（RBP）、尿β2</sub>-微球蛋白、尿Kappa及Lamda轻链分析均是反映肾小管病变的指标，肾炎性肾病时可增高。
entities.entity: 尿液分析
entities.label: pro
entities.entity: 尿常规
entities.label: ite
entities.entity: 蛋白
entities.label: ite
entities.entity: 肾炎性肾病
entities.label: dis
entities.entity: 血尿
entities.label: sym
entities.entity: 离心尿红细胞
entities.label: ite
entities.entity: 尿C3
entities.label: ite
entities.entity: 尿纤维蛋白原降解产物
entities.label: ite
entities.entity: FDP
entities.label: ite
entities.entity: 肾炎性肾病
entities.label: dis
entities.entity: 尿C3
entities.label: ite
entities.entity: 尿FDP
entities.label: ite
entities.entity: 尿蛋白电泳
entities.label: pro
entities.entity: 单纯性肾病
entities.label: dis
entities.entity: 白蛋白
entities.label: bod
entities.entity: 肾炎性肾病
entities.label: dis
entities.entity: 蛋白尿
entities.label: bod
entities.entity: 尿酶
entities.label: bod
entities.entity: N-乙酰-β-葡萄糖氨基苷酶
entities.label: bod
entities.entity: NAG
entities.label: bod
entities.entity: 蛋白尿
entities.label: sym
entities.entity: 肾小管
entities.label: bod
entities.entity: 尿溶菌酶
entities.label: bod
entities.entity: 肾小管吸收功能下降
entities.label: sym
entities.entity: 视黄醛结合蛋白
entities.label: bod
entities.entity: RBP
entities.label: bod
entities.entity: 尿Kappa
entities.label: bod
entities.entity: Lamda轻链
entities.label: bod
entities.entity: 肾小管病变
entities.label: dis
entities.entity: 肾炎性肾病
entities.label: dis