Squamous cell carcinoma is commonly found on the ears. The thick smooth mass had been present for over 1 year. Dense scale has formed on the surface.

A hard mass was present for 2 years. Erosion and bleeding prompted a visit to the physician.

This lower lip tumor appears to be a superficial actinic keratosis. Palpation revealed a large firm mass in the dermis. Biopsy showed squamous cell carcinoma.

Retention of dense scale on a hard mass suggests the diagnosis of squamous cell carcinoma.