Melanotic macules of the tongue in a newborn Journal of the American Academy of Dermatology a Melanotic macule at the wetdry line of the lower lip. b Melanotic Download Scientific Diagram Labial melanotic macule (brown spot on lip) (Stony Brook Case 1) dermatology dermatopathology YouTube Brown spots, especially on the lips, can be alarming to some. In some instances it can indicate rare oral mucosal melanoma, however in this case it was a non cancerous labial melanotic macule. Labial Melanotic Macules in Atopic Dermatitis: An Observational Study Semantic Scholar