Transitional cell carcinoma of the corpus uteri

Definition

A rare uterine cancer characterized by a usually intracavitary, friable, relatively well-circumscribed tumor located in the corpus uteri, with possible infiltration of the myometrium, composed, microscopically, of cells resembling urothelial transition cells, with a papillary or polypoid growth pattern, typically admixed with another type of carcinoma (frequently endometrial adenocarcinoma), generally manifesting with postmenopausal vaginal bleeding.