ovarian transitional cell carcinoma (MONDO_0006343) can be described as follows. A carcinoma that arises from the ovary and is characterized by the presence of malignant epithelial cells that resemble malignant urothelial cells. There is no morphologic evidence of a benign or borderline Brenner tumor component present. Also known as: malignant ovarian transitional cell neoplasm, ovarian transitional cell cancer, ovary transitional cell carcinoma, transitional cell carcinoma of ovary, transitional cell carcinoma of the ovary.