肾周间隙主要指位于肾被膜和肾筋膜之间的潜在的腔隙[1],生理情况下这个间隙内主要有脂肪组织填充,脂肪组织内有纤维条索间隔,交叉分布成栅栏状,称为桥隔[2],同时间杂神经、血管、淋巴组织等中胚层间质组织。原发性肾周间隙肿瘤十分少见,现将本院所遇经手术病理证实的15例分析? The perirenal space mainly refers to the potential lacuna located between the renal capsule and the renal fascia [1]. Physiological conditions include the filling of adipose tissue in this interstitial space, the separation of fibrous cords in the adipose tissue, Known as the bridge [2], at the same time miscellaneous nerve, blood vessels, lymphoid tissue and other mesodermal stromal tissue. Primary perirenal space tumor is very rare, now encountered in our hospital by pathology confirmed 15 cases analysis?