Moles are benign skin growths that are commonly black or brown. The can occur in children and may continue to appear throughout a person's life. They also often change in color or shape. There are several types of moles; some more prone to skin cancer than others. Get any noticeable changes to a mole checked by a dermatologist to be sure skin cancer has not developed. Moles may be removed for evaluation or for cosmetic reasons. Follow the links below to find WebMD's comprehensive coverage about how moles develop, what they look like, how to spot skin cancer, and much more.
Skin Cancer Symptoms
Learn more from WebMD about the symptoms of skin cancer.
Skin Cancer Prevention
Reducing your exposure to harmful sunlight and checking your skin are key to preventing skin cancer. Learn more from WebMD.
Moles, Freckles, Skin Tags, and More
Learn about moles, freckles, skin tags, seborrheic keratoses, and lentigines and their relationships to your skin. Find out what they look like and how they're treated.
Learn to Screen Your Moles for Skin Cancer
WebMD helps you identify moles that may be a sign of skin cancer.
Slideshows & Images
Picture of Pigmented Nevi
Pigmented nevi (moles) are growths on the skin that usually are flesh-colored, brown or black. Moles can appear anywhere on the skin, alone or in groups.
Lumps and Bumps: What’s on My Skin?
Skin lumps and bumps can pop up from time to time. Learn what’s normal and what to show a doctor.
Picture of Congenital Nevi
Congenital nevi are moles that appear at birth. Congenital nevi occur in about one in 100 people.
Picture of Dysplastic Nevi (Atypical Moles) Close-Up
Dysplastic nevi are moles that are larger than average (larger than a pencil eraser) and irregular in shape. They tend to have uneven color with dark brown centers and lighter, uneven edges.