Conclusions Renal interstitum vascular lesion is a quite common finding in children with purpura nephritis, and it parallels the glomerular lesions and tubulerinterstitial lesions.

• 结论肾间质血管损害在绝大多数紫癜性肾炎患儿中存在，且与肾小球、肾小管间质病变呈正相关关系。