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 Oral Malignant Melanoma Oral Cancer Foundation Information and Resources about Oral Head and Neck Cancer Pigmented Lesions of the Oral Cavity Oral and Maxillofacial Surgery Clinics Melanocytic nevi Clinical Tree Clinical Challenge: Dark Lesion on Lower Lip MPR