输尿管囊肿并非罕见.但因其临床表现常被继发病症状所掩盖,故易造成漏诊。本文报告我科所遇2例,并就其略加讨论。病例介绍 [例1] 患者,男性,58岁。因间发性左肾区绞痛伴肉眼血尿11年,于1986年10月17日入院。患者自1975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 Ureteral cysts are not uncommon, but their clinical manifestations are often overshadowed by secondary symptoms, which can easily lead to missed diagnosis. This article reports 2 cases we encountered, and its slightly discussed. Case Presentation [Example 1] Patient, male, 58 years old. Due to the incidence of left renal angina with gross hematuria 11 years, in October 17, 1986 admission. Since 1975, patients often have left lumbar acute angina after intense activity and often have painful episodes