特发性肾病综合征(类脂性肾病)是儿科的常见病之一,病因尚未充分了解,约占儿童时期肾病综合征的85～90%。其余者多是继发于其他疾病,有原因可查,如急慢性肾小球肾炎,系统性红斑性狼疮、皮肌炎、过敏性紫癜,多发性骨髓瘤、中毒等等。临床特征一、大量蛋白尿(>3.5克/24小时)。二、低蛋白血症(白蛋白<3克/100毫升血清)。 Idiopathic nephrotic syndrome (lipid nephropathy) is one of the common pediatric diseases, the etiology has not yet fully understood, accounting for about 85 to 90% of childhood nephrotic syndrome. The rest are mostly secondary to other diseases, there are reasons to check, such as acute and chronic glomerulonephritis, systemic lupus erythematosus, dermatomyositis, Henoch-Schonlein purpura, multiple myeloma, poisoning and so on. Clinical features A large number of proteinuria (> 3.5 g / 24 hours). Second, hypoproteinemia (albumin <3 g / 100 ml serum).