Located on the face, scalp, back of the hands, chest or other sun-exposed areas
Gray, pink, red (erythematous), or the same color as the skin
Initially flat and scaly on the surface, becoming slightly raised
Becoming hard and wart-like or gritty, rough, and "sandpapery" -- may develop a horn-like texture from overgrowth of skin keratin layer (hyperkeratosis)
The skin lesion may be easier to feel than to see.
Signs and tests:
The health care provider bases the diagnosis on the appearance of the skin growth. A skin biopsy could reveal signs of cancerous changes, if present.
Review Date: 10/29/2004
Reviewed By: Jonathan Kantor, M.D., Department of Dermatology, University of Pennsylvania Medical Center, Philadelphia, PA. Review provided by VeriMed Healthcare Network.
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