从膀胱癌病人尿中分离上皮细胞，应用反义多聚酶链式反应（ＲＴＰＣＲ）方法，检测细胞角蛋白２０（ＣＫ２０）是否可作为膀胱移行上皮细胞癌的瘤标。１９２人被分成三组：第一组无膀胱癌病史的青年健康志愿者２１例；第二组膀胱移行上皮细胞癌，活检阴性者２７例和... Epithelial cells were isolated from urine of bladder cancer patients and antisense polymerase chain reaction (RTPCR) was used to detect whether cytokeratin20 (CK20) could be used as a tumor marker for bladder transitional cell carcinoma. 192 were divided into three groups: the first group of 21 healthy young volunteers without a history of bladder cancer; the second group of bladder transitional cell carcinoma, biopsy-negative in 27 cases and ...