Lingual melanotic macule the first case report in an adult patient* Anais Brasileiros de Dermatologia Labial Melanotic Macules in Atopic Dermatitis: An Observational Study Semantic Scholar Spotty lips. These are labial melanotic macules, kinda like freckles on the lips. They are mostly due to age and sun exposure, but sometimes they run in families and are associated with 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