Pigmented Lesions of the Oral Mucosa Pocket Dentistry Melanotic Macules, Naevi, and Melanoma Springer Nature Link 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 Labial melanotic macule. B). Increased numbers of me lanocytes along Download Scientific Diagram Metastatic oral malignant melanoma transformed from pre existing pigmented lesions in mandibular gingiva: Report of an unusual case ScienceDirect