Labial melanotic macule Oral Malignant Melanoma Oral Cancer Foundation Information and Resources about Oral Head and Neck Cancer Labial melanotic macule Dental Update Malignant oral melanoma: how to spot it and how it is managed Dental Update Differential Diagnosis of Pigmented Lesions in the Oral Mucosa: A Clinical Based Overview and Narrative Review 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