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Skin Cancer Nonmelanoma

The Skin
Understanding Skin Cancer
Risk Factors
Symptoms & Diagnosis
Staging & Treatment
Follow-up Care
Sources of Support
The Promise of Cancer Research

Definition of skin cancer:
Cancer that forms in tissues of the skin. There are several types of skin cancer. Skin cancer that forms in melanocytes (skin cells that make pigment) is called melanoma. Skin cancer that forms in basal cells (small, round cells in the base of the outer layer of skin) is called basal cell carcinoma. Skin cancer that forms in squamous cells (flat cells that form the surface of the skin) is called squamous cell carcinoma. Skin cancer that forms in neuroendocrine cells (cells that release hormones in response to signals from the nervous system) is called neuroendocrine carcinoma of the skin. Most skin cancers form in older people on parts of the body exposed to the sun or in people who have weakened immune systems.

Estimated new cases and deaths from skin (nonmelanoma) cancer in the United States in 2009:

New cases: more than 1,000,000
Deaths: less than 1,000