病史摘要患儿 ,男 ,10岁。因蛋白尿、血尿9年 ,发现肾功能不全1月入院。患儿于9年前无明显诱因出现肉眼血尿。查尿常规中尿蛋白 ++～ +++,潜血 +++,肉眼血尿持续20d后转为镜下血尿至今。患儿在外口服中草药 (名称不详 )治疗9年 ,镜下血尿、蛋白尿未减轻。近1个月来查血BUN9.5mm Summary of medical history Children, male, 10 years old. Due to proteinuria, hematuria 9 years, found that renal insufficiency in January admission. 9 years ago, children with no obvious incentive to gross hematuria. Check urine routine urinary protein ++ ~ +++, occult blood +++, gross hematuria continued after 20d microscopic hematuria so far. Children with oral Chinese herbal medicine (name unknown) for 9 years, microscopic hematuria, proteinuria did not reduce. Nearly a month to check blood BUN9.5mm