About- Actinic keratosis is also known as solar keratosis is a pre-cancerous patch of thick, scaly, or crusty skin caused by damage from years of sun exposure.
Actinic keratosis is found primarily skin that exposed to the sun, such as the face, forearms, lips, ears, hands, scalp, neck, and lower leg.
The patches can be:
Red, pink, brown or skin-colored
Rough, dry or scaly
A hard, wart-like surface
Frequent or intense exposure to UV rays
If left untreated, some of these spots may progress to squamous cell carcinoma
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