A melanocytic nevus (also known as "Nevocytic nevus") is a type of lesion that contains nevus cells (melanocytes). Some sources equate the term mole with "melanocytic nevus". Other sources reserve the term "mole" for other purposes. According to the American Academy of Dermatology, the majority of moles appear during the first two decades of a person’s life, while about one in every 100 babies is born with moles. Acquired moles are a form of benign neoplasm, while congenital moles, or congenital nevi, are considered a minor malformation or hamartoma and may be at a higher risk for melanoma...