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. Differential Diagnosis of Pigmented Lesions in the Oral Mucosa: A Clinical Based Overview and Narrative Review Brown spots on the tongue Anales de Pediatra Congenital Melanotic Macules of the Tongue The Journal of Pediatrics Pigmented oral lesion in a patient with metastatic melanoma Indian Journal of Dermatology, Venereology and Leprology Lingual melanotic macule the first case report in an adult patient* Anais Brasileiros de Dermatologia