膀胱移行细胞癌多发生在40~60岁之间，40岁以下发病者少见。1980~1993年，我们共收治40岁以卜膀胱移行细胞癌11例，其主要临床表现为无痛性血尿。经随访，年轻人膀胱移行细胞癌预后较好，应当早期确诊，积极手术治疗。现报告如下。资料与方法一、一般资料：本组11例，男7例，女 Bladder transitional cell carcinoma occurs in 40 to 60 years old, less than 40 years of age are rare. From 1980 to 1993, we treated a total of 11 cases of bladder transitional cell carcinoma at the age of 40 years. The main clinical manifestations were painless hematuria. After follow-up, young bladder transitional cell carcinoma of the prognosis is good, should be diagnosed early, active surgical treatment. The report is as follows. Materials and Methods First, the general information: The group of 11 cases, 7 males and 7 females