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 Using dermoscopic criteria and patient related factors for the management of pigmented melanocytic nevi. Abstract Europe PMC Oral melanoacanthoma and oral melanotic macule: a report of 8 cases, review of the literature, and immunohistochemical analysis Med #Melanocytic lesions (dermoscopy) Benign patterns Blue nevus: Homogeneous steel blue blue pigmentation. Common benign nevus: Regular, symmetric pigment network (often a neat reticular pattern). Benign nevus (globular cobblestone): Nevi and Malignant Melanoma Plastic Surgery KeyPlastic Surgery Key