melanotic macule by joud aljuhani on Prezi Labial melanotic macule 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. Melanotic macule on the lower lip Download Scientific Diagram Pigmented Lesions of the Oral Mucosa Pocket Dentistry Oral melanoacanthoma and oral melanotic macule: a report of 8 cases, review of the literature, and immunohistochemical analysis