Actinic keratosis http://www.dermnet.com/Actinic-Keratosis-Face
also : http://www.skincancer.org/actinic-keratosis-and-ot her-precancers.html
A skin lesion that is abnormally sensitive to the effects of ultraviolet
light (sunlight). Thought to be a precancerous skin lesion that is more
common in the fair -skinned or elderly individual .
Approximately 20% of these...



