Cutaneous malignancies are an increasing problem in the practice of medicine, whether due to patient longevity, increased solar exposure, or undefined factors such as metal exposure or immunologic phenomena. Several important facts remain about the 3 major types of skin cancer (basal cell carcinoma, squamous cell carcinoma, and melanoma): incidence is increasing among white persons around the globe (>1 million new nonmelanoma skin cancers annually in the United States and 2.75 million annually worldwide); mortality is decreasing for patients with basal cell carcinoma and squamous cell carcinoma due to earlier intervention and more appropriate therapy; and incidence of deaths due to melanoma are increasing, outweighing the growth of the number of deaths due to other cancers.
Parish LC. Skin Cancer. JAMA. 2008;299(16):1957–1963. doi:10.1001/jama.299.16.1961-a
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