Imagine visiting the dermatologist with concerns about a strange growth on your arm. You breathe a sigh of relief when your doctor tells you that the spot is an actinic keratosis (AK), meaning it isn’t malignant…for now. It may stay benign, but it could also turn into a potentially life-threatening form of skin cancer.
Both a precancer and an atypical mole may look unusual, but each has unique characteristics. An expert explains the differences.