Oral pigmented lesions: Clinicopathologic features and review of the literature Melanosis and Lentiginosis (benign) Vulvovaginal Disorders 10 Common Mistakes to Avoid for Lip Pigmentation and How to Fix Them Multiple pigmented lesions of the lower lip Journal of Oral and Maxillofacial Surgery 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