Melanocytic Lesions A Guide to Clinical Differential Diagnosis of Oral Mucosal Lesions Continuing Education Course dentalcare.com Labial melanotic macule A collection of resources for RACGP exams Next Gen GP Text Book live webinars AKT and KFP questions Happy Wednesday! , In this video, a patients labial melanotic macule (a benign pigmented lesion) is being treated with liquid nitrogen. Labial melanotic macules are flat and asymmetrical with a Oral melanoacanthoma and oral melanotic macule: a report of 8 cases, review of the literature, and immunohistochemical analysis 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