An acral nevus is a benign melanocytic lesion found on the palms and soles. Dermoscopically, it most commonly shows the parallel furrow pattern, where pigmentation follows the furrows of the skin markings. ORAL MELANOTIC MACULE (OMM) (Also called focal melanosis labial melanotic macule) A benign, localized, flat pigmented lesion of the oral mucosa Caused by a focal increase in melanin production Figure 13 from Dermoscopy basics and melanocytic lesions (Part 2 of 2) Semantic Scholar Case Report: melanoma and melanocytic nevus F1000Research Melanocytic lesions Libre Pathology