transitional cell carcinoma of the ovary transitional cell carcinoma of the ovary transitional cell carcinoma of the ovary (tcc of the ovary) is a rare type of ovarian cancer that has an appearance similar to urothelial carcinoma (also known as transitional cell carcinoma). transitional cell carcinoma of the ovarymicrograph of transitional cell carcinoma of the ovary. h&e stain. diagnosis tcc of the ovary is diagnosed by examination of the tissue by a pathologist. it has a characteristic appearance under the microscope and distinctive pattern of immunostaining. pathology it is not related urothelial carcinoma. it is in the transitional cell category of ovarian tumours which also includes malignant brenner tumour and benign brenner tumour. low mag. very high mag. treatment the main treatment is surgical resection. prognosis these tumours do better than other types of epithelial tumours of the ovary.