Keratoses
Keratoses are overgrowths of the upper layer of the skin. Those which occur on the sun exposed areas of fair-skinned people usually in their fifties or older, called solar keratoses, are red and scaly, or sometimes pale brown, and over a period of time may become malignant. They can be treated in order to prevent this possibility. Seborrhaeic keratoses are pigmented structures which look like large greasy warts often appearing on the chest and back of the trunk in the elderly. They do not become malignant but may require removal either for cosmetic reasons or because they become caught in clothing and bleed.
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