
Other dermatoses

Actinic keratosis
- (ak-TIN-ik ker-a-TOE-sis) A precancerous condition of thick, scaly patches of skin.
- 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.

Seborrheic keratosis

Inflamed seborrheic keratosis

Other seborrheic keratosis

Other specified dermatoses