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目的 :探讨肾混合性上皮间质瘤 (MESTK)的临床及病理学特征。方法 :回顾性分析 1例MESTK患者的诊治情况 ,并复习有关文献探讨其临床特征。结果 :MESTK常见于成年女性 ,大多由实性或伴囊性成分混合而成。组织学上以不等量增生的腺上皮和不同排列方式的梭形细胞间质混合组成为特征 ,尤以瘤性梭形细胞间质增生为主体 ,形似平滑肌原性肿瘤。结论 :MESTK为一种独立的肾良性肿瘤 ,应与先天性中胚层肾瘤及其他肾肿瘤相鉴别
Objective: To investigate the clinical and pathological features of renal mixed epithelial stromal tumor (MESTK). Methods: A retrospective analysis of one case of MESTK diagnosis and treatment of patients, and review the literature to explore its clinical features. Results: MESTK is common in adult women, mostly composed of solid or cystic components. Histologically characterized by unequal proliferation of glandular epithelium and different arrangement of the spindle cell interstitial composition is characterized by interstitial, especially tumorous spindle cells interstitial hyperplasia as the main shape of smooth muscle tumors. Conclusion: MESTK is an independent benign tumor of the kidney and should be differentiated from congenital mesodermal nephroma and other renal tumors