New Insights into Melanocytes Beyond Conventional Recognition Encyclopedia MDPI 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 How Can You Tell if It's Melanoma or Just a Mole? Melanoma (for Teens) Nemours KidsHealth Labial Melanotic Macules DoveMed Pigmented Lesions of the Oral Mucosa: Clinical Presentation, Histology, and Recommendations for Management American Journal of Clinical Dermatology Springer Nature Link