Does anyone know what this black mark on my lip is? Started last August so it's I've had it nearly a year, was living in Spain at the time for 6 months Oral Melanotic Macule: Symptoms and Treatment Skinsight Pigmented Oral Lesions: Clues to Identifying the Potentially Malignant Consultant360 Metastatic oral malignant melanoma transformed from pre existing pigmented lesions in mandibular gingiva: Report of an unusual case ScienceDirect Labial melanotic macule