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 Differential Diagnosis of Pigmented Lesions in the Oral Mucosa: A Clinical Based Overview and Narrative Review Mucosal melanocytic macules Figure 225 from Pigmentations of the Oral Mucosa and Facial Skin Semantic Scholar melanotic macule by joud aljuhani on Prezi Simple cryosurgical treatment of the oral melanotic macule ScienceDirect