COM Dec. 2011 Diagnosis UW School of Dentistry Giant Congenital Melanocytic Nevi of the Head and Neck: Clinical Update and Advances in Treatment Sarah A. Applebaum, Joshua P. Weissman, Emily S. Chwa, Stuti P. Garg, Arun K. Gosain, 2022 Moles (melanocytic naevi, pigmented nevi) How do you actually grade dysplastic nevi? The answer lies in TWO things: 1 Architectural disorder 2 Cytologic atypia As dysplasia progresses from mild moderate severe: Symmetry is 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 About Moles Types, Warning Signs, Causes, and Prevention