MELANOTAN 2 10MG Batch 19900 Test results Melanotic Macules, Naevi, and Melanoma Springer Nature Link Pigmented Oral Lesions: Clues to Identifying the Potentially Malignant Consultant360 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. Summit Enlighten Laser to treat labial melanotic macules on the lip before and after. Facebook 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