Clinical features of oral pigmented lesions: ( ) Nevus, ( ) melanotic Download Scientific Diagram Labial melanotic macule COM Jan. 2008 Diagnosis UW School of Dentistry Pigmented Lesions of the Oral Cavity Pocket Dentistry 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 Pigmented (Purple or Brown) Lesions in the Mouth Pigmented (Purple or Brown) Lesions in the Mouth Kazemi Oral Surgery Facialart.com