Pigmented Lesions and Melanoma Plastic Surgery KeyPlastic Surgery Key Figure 1 from Dermoscopy of venous lake on the lips: A comparative study with labial melanotic macule Semantic Scholar Diagnosis of oral pigmentations and malignant transformations ScienceDirect 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 a Melanotic macule at the wetdry line of the lower lip. b Melanotic Download Scientific Diagram