NCIt synonyms : Melanocytic Nevus with Phenotypic Heterogeneity;
NCIt definition : A melanocytic nevus that arises from the skin or conjunctiva and is characterized
by the presence of two or more morphologically distinct melanocytic nevus components
in a single lesion. One component is a conventional nevus component, and the other(s)
are usually blue nevus, deep penetrating nevus, Spitz nevus, or balloon cell nevus
components.;