肾嗜酸细胞瘤是一种罕见的发生在肾近曲小管的良性肿瘤,临床上常误诊为肾癌而行根治性肾切除。近年来随着辅助检查的应用和临床病理水平的提高,嗜酸细胞腺瘤的发现病例逐渐增加,目前全世界报道病例已近千余例,国内迄今共报道近50例。本文就我院确诊的1例肾嗜酸细胞腺瘤,结合文 Renal oncocytoma is a rare benign tumor that occurs in the proximal tubules of the kidney. It is often clinically misdiagnosed as a nephron and radical nephrectomy. In recent years, with the application of auxiliary examinations and the improvement of clinical and pathological levels, the number of cases of eosinophilic adenoma has been gradually increasing. At present, nearly one thousand cases have been reported in the world and almost 50 cases have been reported so far in China. This article diagnosed in our hospital in 1 case of renal oncocytoma, combined with the text