过去认为原发性输尿管肿瘤比较罕见,近几年来病例报道显著增多。现将本院收治的7例原发性输尿管癌报道如下: 临床资料 男性5例,女性2例,年龄35岁～84岁。7例均有无痛性间歇性肉眼血尿史,血尿量多而频繁,1例5年前曾有肾绞痛史,尿路平片证实有输尿管结石,入院前3个月出现无痛性肉眼血尿,尿中三次查到瘤细胞。2例患侧肾积水,上腹部可触及肿块。3例 In the past that primary ureteral tumors are relatively rare, the case reported in recent years increased significantly. Now admitted to our hospital in 7 cases of primary ureteral cancer are reported as follows: Clinical data of 5 males and 2 females, aged 35 to 84 years old. 7 cases had a history of painless intermittent gross hematuria, frequent episodes of hematuria, 1 case 5 years ago had a history of renal colic, urethral plain film confirmed ureteral stones, 3 months before admission, painless appearance of the naked eye Hematuria, urine three times found tumor cells. 2 cases of hydronephrosis, upper abdomen palpable mass. 3 cases