Pigmented Oral Lesions: Clues to Identifying the Potentially Malignant Consultant360 LaugierHunziker syndrome: a report of three cases and literature review International Journal of Oral Science 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 Labial melanotic macule Pigmented lesions of the oral mucosa and perioral tissues: a flow chart for the diagnosis and some recommendations for the management Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology and Endodontics