Melanotic Macules, Naevi, and Melanoma Springer Nature Link 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 Mucosal melanocytic macules Diagnosis of oral pigmentations and malignant transformations ScienceDirect a Melanotic macule at the wetdry line of the lower lip. b Melanotic Download Scientific Diagram Oral Melanoma: A Rare but Aggressive Oral Cancer Oral melanoma is a rare and highly aggressive malignant tumor that develops from melanocytes within the oral mucosa. It most commonly affects the