A man has come in to the clinic for a skin assessment because he is afraid he might have skin cancer.During the skin assessment the nurse notices several areas of pigmentation that look greasy,dark,and "stuck on" his skin.Which is the best prediction? He probably has:

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Seborrheic keratoses look like dark,greasy,"stuck-on" lesions that develop mostly on the trunk.These lesions do not become cancerous.Senile lentigines are commonly called liver spots and are not precancerous.Actinic (senile or solar)keratoses are lesions that are red-tan scaly plaques that increase over the years to become raised and roughened.They may have a silvery-white scale adherent to the plaque.They occur on sun-exposed surfaces and are directly related to sun exposure.They are premalignant and may develop into squamous cell carcinoma.Acrochordons are "skin tags" and are not precancerous.

A Man Has Come in to the Clinic for a Skin