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 Oral Lesions: Clues to Identifying the Potentially Malignant Consultant360 L CARNITINA 3000 KEFORMA Integratori per lo Sport Oral Malignant Melanoma Oral Cancer Foundation Information and Resources about Oral Head and Neck Cancer