Understanding Lip Spot Causes and Treatments Differential Diagnosis of Pigmented Lesions in the Oral Mucosa: A Clinical Based Overview and Narrative Review COM March 2009 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. Removal of a melanotic macule on the lip with Q switched laser before and after photos taken 3 months apart, after a single treatment #dermatologist #dermatology #laser #laserderm #ottawaskincare #toc #ottawalaserclinic #cosmetics # Pigmented Oral Lesions: Clues to Identifying the Potentially Malignant Consultant360