Man Concerned About a New Spot On His Lip Let's Diagnose VisualDx Figure 9 from Pigmented lesions of the oral cavity: review, differential diagnosis, and case presentations. Semantic Scholar 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 Happy Wednesday! , In this video, a patients labial melanotic macule (a benign pigmented lesion) is being treated with liquid nitrogen. Labial melanotic macules are flat and asymmetrical with a Metastatic oral malignant melanoma transformed from pre existing pigmented lesions in mandibular gingiva: Report of an unusual case ScienceDirect Dermoscopy of venous lake on the lips: A comparative study with labial melanotic macule PLOS One