Labial melanotic macule. B). Increased numbers of me lanocytes along Download Scientific Diagram Simple cryosurgical treatment of the oral melanotic macule Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology and Endodontics 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 lesions of the oral mucosa and perioral tissues: a flow chart for the diagnosis and some recommendations for the management Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology and Endodontics