A) Clinical presentation of the penile melanosis showing a large Download Scientific Diagram Dark Colored Lesions: Brown, Blue, Gray, or Black Disorders Obgyn Key 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 Atypical Pigmented Penile Macules Early diagnosis of genital mucosal melanoma: how good are our dermoscopic criteria? Abstract Europe PMC