Melanocytic Proliferations and Other Pigmented Lesions Plastic Surgery KeyPlastic Surgery Key Genital Lentiginosis: A Benign Pigmentary Abnormality Often Raising Concern for Melanoma MDedge 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 Ocular Melanocytic Tumors Ento Key