Actinic Keratosis Actinic Keratosis Actinic Keratosis Actinic Keratosis actinic keratosis 10 percent 10 percent 10 percent Actinic Keratosis Actinic Keratosis (AK) Actinic Keratosis actinic keratosis actinic keratosis Actinic Keratosis actinic keratosis Skin Cancer Foundation, 2012 actinic keratoses Actinic Keratosis (AK) Actinic Keratosis (AK) Skin Cancer Foundation, 2012 Actinic Keratosis (AK) - SkinCancer.org AKs 10 percent Actinic Keratosis Skin Cancer Foundation, 2012