原发性(或特发性、无症状性、复发性)血尿是指无局部生殖泌尿系或全身性疾病,而可能由肾小球毛细血管出血引起持续或反复血尿的一组临床综合征。作者选择65例无高血压,肾功能正常,24尿蛋白少于1克或随意浓缩尿对Albustix阴性反应的血尿患者,作肾活检形态学和免疫组织化学检查。本组年龄1—56岁(中位数13岁),男33例,女 Primary (or idiopathic, asymptomatic, recurrent) hematuria is a group of clinical syndromes that cause no local genitourinary or systemic disease and may cause persistent or recurrent hematuria due to glomerular capillary hemorrhage. The authors selected renal biopsy morphology and immunohistochemistry for 65 patients with hematuria who were negative for Albustix without hypertension, normal renal function, less than 1 gram of 24 urinary protein, or randomly concentrated urine. The age group 1-56 years (median 13 years), 33 males and females