Actinic keratosis (AK) is a precancerous skin condition that is caused by long-term exposure to ultraviolet (UV) light. It is characterized by scaly or crusty patches on the skin, which may be slightly raised. Although AK is not cancerous, it can potentially become cancerous if left untreated.
What Causes Actinic Keratosis?
Actinic keratosis is caused by long-term or excessive exposure to ultraviolet (UV) radiation from the sun or other sources, such as tanning beds. People with fair skin, a history of sunburns, and those who spend time outdoors are at an increased risk of developing AK.
What Are the Symptoms of Actinic Keratosis?
The most common symptom of AK is a scaly or crusty patch on the skin. The patches can vary in size and may be slightly raised. They are often dry, rough, and may even be itchy. The patches are usually found on the face, lips, ears, neck, hands, and arms.
Is Actinic Keratosis Cancerous or Pre-Cancerous?
Actinic keratosis is considered to be pre-cancerous, meaning that it can potentially turn into skin cancer if left untreated. AK is not cancerous in and of itself, but it does indicate an increased risk of developing skin cancer in the future.