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间质性肾炎是以肾间质部分的炎症为主要病变的疾病,由于其病变与临床表现常波及肾小管部分,故也有作者归之于小管-间质性疾病中论述。病理间质是各种器官中的支持组织。肾间质系指分布在肾小球与肾小管之间的带有血管、淋巴管及神经的纤维结缔组织。皮质部分的间质稀少而疏松,髓质部分则相对的较为致密,尤其在锥体尖部乳头处更多。正常时这些纤细的支持组织在光学显微镜下看起来并不明显,小管与小管紧密并列;而在间质炎症时,间质就
Interstitial nephritis is a disease mainly caused by inflammation of the renal interstitium. Since the lesions and clinical manifestations often affect the renal tubules, it is also attributed to tubulointerstitial diseases. The pathological stroma is a supporting tissue in various organs. Renal interstitial refers to the distribution of the glomerular and renal tubules with vascular, lymphatic and nerve fiber connective tissue. Interstitial cortical scarce and loose interstitial parts of the medulla are relatively more dense, especially in the tip of the pyramidal papilla more. Normally, these slender supporting tissues do not appear to be visible under light microscopy. Tubules and tubules are juxtaposed; in interstitial inflammation, interstitial tissue