Clear Cell Carcinoma : Immunohistochemistry

Comments:
Clear cell carcinomas are diffusely positive for keratins, EMA, Leu-M1, and B72.3. Stains for CEA and CA-125 are positive in 40% to 50% of cases.

This image shows tumor cells arranged in sheets and papillary structures. They have hyperchromatic nuclei and prominent nucleoli.