Actinic Keratosis of the Upper Extremity
Actinic keratosis (AK) is a precancerous skin condition commonly affecting areas exposed to the sun, including the upper extremities. Characterized by rough, scaly patches, actinic keratosis is often a result of prolonged ultraviolet (UV) radiation exposure. Early diagnosis and effective management are critical to prevent progression to squamous cell carcinoma (SCC). What is Actinic Keratosis?