Melanotic macules of the tongue in a newborn Journal of the American Academy of Dermatology Oral pigmented lesions: Clinicopathologic features and review of the literature 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 Mucosal melanocytic macules Labial melanotic macules in atopic dermatitis. (a) Multiple macular Download Scientific Diagram