Actinic keratosis

Actinic keratosis

A precancerous lesion of the skin composed of atypical keratinocytes. It is characterized by the presence of thick, scaly patches of skin. Several histologic variants have been described, including atrophic, acantholytic, and hyperkeratotic variants. ... more on Wikipedia

Risks of Old Age What Causes Skin Lesion? Risks Unique to Being Male Risks of Chemotherapy Diseases Treated By Surgery Diseases Treated By Cauterization