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尿蛋白定性试验能测出蛋白的尿称蛋白尿,正常人尿中含有微量蛋白,每日排出量为80±24毫克。在某些生理或病理因素使尿蛋白每日排出量超过150毫克时,可出现蛋白尿。病理性蛋白尿是由于:①肾小球滤过膜通渗性增加;②肾小管回收功能减退;③异常蛋白质的排泄,如多发性骨髓瘤病人,瘤细胞所产生的免疫球蛋白(又称本-周氏蛋白)可从尿中排出。尿蛋白量的多少一般可作为判断病情轻重的参考,但两者亦可不一致。如肾病综合征,尿内排出大量蛋白,但肾功能损害可较轻,而晚期肾实质损伤性疾病,常因大量肾单位功能丧失,反而使尿内蛋白质减少。因此,尿蛋白
Urinary protein qualitative test can detect proteinuria called proteinuria, normal urine contains trace protein, daily discharge of 80 ± 24 mg. In some physiological or pathological factors make urinary protein daily discharge of more than 150 mg, proteinuria can occur. Pathological proteinuria is due to: ① glomerular filtration membrane permeability increased; ② renal tubular recovery dysfunction; ③ abnormal protein excretion, such as multiple myeloma patients, tumor cells generated by immunoglobulin (also known as Ben-Zhou protein) can be discharged from the urine. The amount of urinary protein can generally be used as a reference to determine the severity of illness, but the two may not be consistent. Such as nephrotic syndrome, urinary excretion of large amounts of protein, but renal dysfunction can be lighter, and advanced renal parenchymal disease, often due to loss of a large number of nephrons, but make urinary protein decreased. Therefore, urinary protein