Actinic keratosis: what gets and causes. American Ostopathic College of Dermatology. Actinic cheilitis. American Academy of Dermatology. Keratosis: signs and symptoms. DermNet. Actinic cheilitis.

The dermatofibroma pinch test is a simple way to tell if the bump on your skin is a mole or a benign (harmless) growth called a dermatofibroma. If you pinch a dermatofibroma, it creates a dimple ...