At high power, the urothelial carcinoma does resemble urothelium, but the thickness is much greater than normal and the cells show more pleomorphism. 高倍镜下,移行细胞癌的细胞很象尿道上皮,但比正常尿道上皮厚,且呈多形性。
A urothelial carcinoma of the urothelium is shown here at low power to reveal the frond-like papillary projections of the tumor above the surface to the left. 低倍镜下可见有一尿道上皮来源的泌尿道癌,癌组织的腺体呈乳头状放射性的在表面向左侧生长。