Pigmented oral lesion in a patient with metastatic melanoma Indian Journal of Dermatology, Venereology and Leprology PDF) Lingual melanotic macule the first case report in an adult patient COM Dec. 2011 Diagnosis UW School of Dentistry 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. Citalopram Induced Oral Melanotic Macules in a Female Patient and a Review of the Literature Cureus Macular Pigmented Oral Mucosal Lesions: An Amalgam Tattoo Case Report Dentistry Today