The labial melanotic macule: a review of 79 cases In the process of removing a Labial Melanotic Macule. A Labial Melanotic Macule is a well defined, oval, brown to black, flat patch on the central third of the lower lip, as seen Have a brown black spot on your lips??, Labial Melanotic Macules, not cancerous , #drrubanskinguru , #dermatologist, #sunspots A brown macule on the vermilion border of the lower lip. Download Scientific Diagram Labial melanotic macule