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 Melanotic Macule: Symptoms and Treatment Skinsight 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 Intramucosal melanocytic nevi CCIDE Dove Medical Press Oral Pigment lesions My Doctors PDF) Labial Melanotic Macule Diagnosed by Dermoscopy