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. A Black Spot on the Upper Gum for Many Years: Melanotic Macule Springer Nature Link Dental Update Malignant oral melanoma: how to spot it and how it is managed Dental Update Pigmented lesions of the oral mucosa and perioral tissues: a flow chart for the diagnosis and some recommendations for the management Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology and Endodontics Mystery behind labial and oral melanotic macules: Clinical, dermoscopic and pathological aspects of Laugier Hunziker syndrome Oral Malignant Melanoma Oral Cancer Foundation Information and Resources about Oral Head and Neck Cancer