Our Actinic Keratosis Main Article provides a comprehensive look at the who, what, when and how of Actinic Keratosis

Definition of Actinic keratosis

Actinic keratosis: Rough, scaly patches of skin that are considered precancerous and are due to sun exposure. Prevention is to cut sun exposure and wear sunscreen. Treatments include performing cryosurgery (freezing with liquid nitrogen), cutting the keratoses away, burning them, putting 5-fluorouracil on them, and using photodynamic therapy (injecting into the bloodstream a chemical that collects in actinic keratoses and makes them more sensitive to destruction by a specialized form of light). Also known as solar keratosis and senile keratosis.


Last Editorial Review: 3/19/2012

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