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Squamous cell carcinoma (SCC) is the second most common cancer of the skin. Squamous cell carcinoma is a tumor that arises in the outer layer of the skin (the epithelium).
More than 250,000 new SCCs are diagnosed every year in the U.S. Middle-aged and elderly persons, especially those with fair complexions and frequent sun exposure, are most likely to be affected. If treated in a timely manner, it is uncommon for skin squamous cell carcinoma to spread to other areas of the body.
Squamous cell carcinomas often arise from small sandpaper-like growths called solar or actinic keratoses.
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* Information provided by The American Academy of Dermatology.
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