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 Literature Update on Melanocytic Nevi and Pigmented Lesions in the Pediatric Population Current Dermatology Reports Springer Nature Link 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. Melanotic lesion at the minor papilla Download Scientific Diagram Automated Segmentation of Microscopy Imaged Melanocytic Lesions and Classification Semantic Scholar