Oral Malignant Melanoma Oral Cancer Foundation Information and Resources about Oral Head and Neck Cancer Labial melanotic macule. B). Increased numbers of me lanocytes along Download Scientific Diagram Pigmented Lesions of the Oral Mucosa Pocket Dentistry COM Dec. 2011 Diagnosis UW School of Dentistry Lip Melanotic Macule Holistic Removal TikTok 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.