病例报告先证者(Ⅳ_3),男,3岁半,于1985年8月因反复血尿两年余伴发烧、咳嗽1天入院。患者为第2胎,第1产,足月剖腹产,出生体重3650g。1岁半时患支气管哮喘住院,小便常规发现蛋白(+),红细胞(+++)。经激素治疗。治疗出院。近两年多次反复查小便常规,红细胞均为(++++)。近一年作肝、肾功能及染色体检查均为正常,曾诊断为“遗传性肾 Case report proband (Ⅳ_3), male, 3 years and a half, in August 1985 due to repeated hematuria two years with fever, cough 1 day admission. Patients for the second child, the first production, full-term caesarean section, birth weight 3650g. 1 year and a half suffering from bronchial asthma hospital, urinary routine detection of protein (+), red blood cells (+++). Hormonal treatment. Treatment was discharged. In the past two years repeatedly check urine routine, red blood cells are (++++). Nearly a year for liver, kidney function and chromosome examination are normal, has been diagnosed as ”hereditary kidney