| http://www.w3.org/ns/prov#value | - IntroductionActinic keratoses (AKs) are one of the more common premalignant cutaneous lesions, clinically present as erythematous, hyperkeratotic macules, papules or plaques typically occurring in chronically sun-exposed skin, such as the face, lower lip, scalp, ears, neck, forearms, hands and lower legs.
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