输尿管囊肿因其临床表现常被继发病症状所掩盖,故易造成漏诊。本文报告本科所遇2例,并就其略加讨论。1病例介绍病例1患者男,58岁。因间发性左肾区绞痛伴肉眼血尿11年,于2006年10月17日入院。患者自1995年起,常在剧烈活动后出现左腰部急性绞痛,并于疼痛发作时伴明显的肉眼血尿, Ureteral cyst is often covered by symptoms of secondary disease because of its clinical manifestations, it is easy to cause missed diagnosis. This article reports two cases of undergraduate, and its slightly discussed. 1 case description Case 1 patient male, 58 years old. Because of the left renal area angina with gross hematuria 11 years, in October 17, 2006 admission. Patients from 1995 onwards, often after acute activity in the left lumbar acute angina and painful onset with gross hematuria,