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 and Lights for Treating Pigmented Lesions Plastic Surgery KeyPlastic Surgery Key Differential Diagnosis of Pigmented Lesions in the Oral Mucosa: A Clinical Based Overview and Narrative Review 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 Labial lentigines, also called labial melanotic macules, is a benign skin condition that is more common in individuals with darker skin. They most often appear during adulthood although they can develop at