Picture of Congenital Nevomelanocytic Nevus
Congenital nevomelanocytic nevus is an abnormally dark, noncancerous skin patch or mole that is present at birth. They are composed of pigment-producing cells called melanocytes and grow as the child grows into adulthood. This image shows a CNN that is “split” on the upper and lower eyelid or an adult male.
Text Source: National Organization of Rare Diseases
National Library of Medicine