Section Editor: Dharam M. Ramnani, MD

Virginia Urology, Richmond, VA, USA

Image 10 of 18



Image Description

Higher magnification of the previous image showing classic histologic features of keratinizing well-differentiated squamous cell carcinoma, including formation of keratin pearls. The mucosa adjacent to the tumor frequently shows keratinizing and non-keratinizing squamous metaplasia, dysplasia, and squamous cell carcinoma-in-situ.

Image 10 of 18