Merck Manual

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Erythroplakia and Squamous Cell Carcinoma
Erythroplakia and Squamous Cell Carcinoma
Erythroplakia and Squamous Cell Carcinoma

Erythroplakia is a general term for red, flat, or worn-away velvet-looking sores that develop in the mouth. In this image, a squamous cell carcinoma is surrounded by a margin of erythroplakia.

Image provided by Jonathan A. Ship, DMD.