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. Oral pigmented lesions: a pragmatic approach to diagnosis and management Faculty Dental Journal Melanotic Macules, Naevi, and Melanoma Springer Nature Link Dental Update Malignant oral melanoma: how to spot it and how it is managed Dental Update