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 Melanosis coli: Symptoms, causes, treatment, and more Pigmented Lesions of the Oral Mucosa: Clinical Presentation, Histology, and Recommendations for Management American Journal of Clinical Dermatology Springer Nature Link Differentiating between early melanomas and melanocytic nevi: A state of the art review ScienceDirect Labial melanotic macule. B). Increased numbers of me lanocytes along Download Scientific Diagram Melanoma Skin Cancer