本文报告了７例原发性输尿管癌的ＣＴ表现，讨论了本病的临床表现，影像学诊断及鉴别诊断，与其它检查方法相比，ＣＴ扫描不受肾功能、肠气及病人体质因素的影响，有助于对肿瘤分期的估价，是较为理想的诊断方法之一。 This article reports the CT findings of 7 cases of primary ureteral carcinoma, discussed the clinical manifestations, imaging diagnosis and differential diagnosis of this disease, compared with other examination methods, CT scan is not affected by renal function, intestinal gas and patient’s constitutional factors Influence, contribute to the valuation of tumor staging, is one of the more ideal diagnostic methods.