actinic keratosis

listen to the pronunciation of actinic keratosis
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A lesion on the skin, typically on the upper portion of the head, characterized by discolored, thickened or scaly growths of keratin, caused by exposure to the sun; common in fair-complected people of a certain age. They are precancerous
a precancerous skin growth that occurs on sun-damaged skin often looks like a red scaly patch and feels like "sandpaper"
a precancerous condition of thick, scaly patches of skin
an overgrowth of skin layers resulting from extended exposure to the sun
actinic keratosis
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