Noncancerous, Precancerous and Cancerous Tumors

Picture of Squamous Cell Carcinoma (Calf)

Picture of Squamous Cell Carcinoma (Calf)

Squamous cell carcinoma in situ: Bowen's disease. A large, sharply demarcated, scaly, erythematous plaque simulating a psoriatic lesion on the calf.

Image Source: Fitzpatrick's Color Atlas & Synopsis of Clinical Dermatology Klaus Wolff, Richard Allen Johnson, Dick Suurmond Copyright 2005, 2001, 1997, 1993 by The McGraw-Hill Companies. All Rights reserved.

Text: WebMD Medical Reference