Pigmented Lesions of the Oral Cavity Pocket Dentistry Lingual melanotic macule the first case report in an adult patient* Anais Brasileiros de Dermatologia Summit Enlighten Laser to treat labial melanotic macules on the lip before and after. Facebook Melanotic macule. Benign. Dark spot on labia (or lip). Analogous to lentigo simplex. Hyperpigmented basal keratinocytes & dermal melanophages. Slight in single basal melanocytes; NO nests. More info like this in Congenital Melanocytic Macule of the Tongue in a Newborn Cureus