Definition:
This is a precancerous condition caused by exposure to the sun. The lower lip is most often affected with dryness and cracking that won't go away. If not treated, 6-10% of people with actinic cheilitis will develop squamous cell carcinoma.
Also Known As: Farmer's lip, Sailor's lip, solar cheilitis
Common Misspellings: actinic kelitis, actinic chelitis
