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 Orale melanosis Hyperpigmented macules in the oral mucosa and melanonychia JAAD Case Reports Peutz jeghers Syndrome Pjspicture Hyperpigmentation Macule On Stock Photo 1261279843 Shutterstock Oral Melanosis Melanotan II Erectile Dysfunction: What You Need to Know