Labial melanotic macule (brown spot on lip) (Stony Brook Case 1) dermatology dermatopathology Taint melanotic of the lip vaporization laser UNILASER MDICA 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 Melanotic macules of the tongue in a newborn Journal of the American Academy of Dermatology Mystery behind labial and oral melanotic macules: Clinical, dermoscopic and pathological aspects of Laugier Hunziker syndrome