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Overview


Actinic keratosis (AK) is the most common precancerous lesion of the skin. These lesions appear as red, blotchy patches, commonly found on the face and head. They occur much more frequently in older individuals with fair skin, blue eyes, and a history of freckling. As they are directly related to cumulative sun exposure, over 50% of fair-skinned people living in sunny climates develop these lesions. Consequently, reducing sun exposure throughout one's lifetime, particularly in ...Read the full article