birthmarks

Megha M. Tollefson, M.D., Dermatology, Mayo Clinic: Hello. I'm Dr. Megha Tollefson. I'm assistant professor of dermatology and pediatrics at the Mayo Clinic. I'm here today to talk to you…

About one in 20,000 infants is born with what's called a congenital giant nevus -- a huge, pigmented mole that may cover much of the face and body. Due to the mole's appearance and its risk…

"The goals of our study were to develop a series of animal models designed to elucidate key biological features of these lesions, and to test nonsurgical drug treatments to skin, aiming…