Melanoma is a malignant skin tumor that involves the skin cells that produce pigment (melanin). The risk of melanoma increases with age, but frequently effects young, otherwise healthy people. Melanoma is an aggressive type of cancer that can spread very rapidly.
A.D.A.M. Health Solutions, Ebix, Inc., Editorial Team: David Zieve, MD, MHA, and David R. Eltz. Previously reviewed by Kevin Berman, MD, PhD, Atlanta Center for Dermatologic Disease, Atlanta, GA. Review provided by VeriMed Healthcare Network (7/26/2011).