Oral Mucosal Melanosis IntechOpen Dental Update Malignant oral melanoma: how to spot it and how it is managed Dental Update Brown spots, especially on the lips, can be alarming to some. In some instances it can indicate rare oral mucosal melanoma, however in this case it was a non cancerous labial melanotic macule. Pigmented Lesions of the Oral Mucosa Springer Nature Link Oral Melanotic Macule: Symptoms and Treatment Skinsight Oral melanoma and other pigmentations: when to biopsy? Lambertini 2018 Journal of the European Academy of Dermatology and Venereology Wiley Online Library