肾肿瘤可分为良性肿瘤和恶性肿瘤,恶性的包括肾细胞癌、尿路上皮癌、成肾细胞瘤、转移癌等,良性的包括血管平滑肌脂肪瘤、纤维瘤、脂肪瘤等。总体来说,肾肿瘤多发生于中老年人,儿童及青年人相对少见[1]。本研究总结了第二军医大学长海医院2001年1月至2014年12月收治的137例30岁及以下肾肿瘤患者的临床资料,对其发病情况、临床病理特征及预后情 Kidney tumors can be divided into benign and malignant tumors, including malignant renal cell carcinoma, urothelial carcinoma, renal cell carcinoma, metastatic cancer, benign, including angiomyolipoma, fibroma, lipoma and so on. In general, renal tumors occur in the elderly, children and young people are relatively rare [1]. This study summarizes the clinical data of 137 patients with renal tumors aged 30 years and younger admitted to Changhai Hospital of the Second Military Medical University from January 2001 to December 2014. The incidence, clinical pathological features and prognosis