A Mongolian spot also known as Mongolian blue spot congenital dermal melanocytosis and dermal melanocytosis is a benign flat congenital birthmark with wavy borders and irregular shape discovered on and named after Mongolians by Erwin Bälz.
This page contains content from the copyrighted Wikipedia article "Mongolian spot"; that content is used under the GNU Free Documentation License (GFDL). You may redistribute it, verbatim or modified, providing that you comply with the terms of the GFDL.