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 Labial melanotic macule Dental Update Malignant oral melanoma: how to spot it and how it is managed Dental Update Mystery behind labial and oral melanotic macules: Clinical, dermoscopic and pathological aspects of Laugier Hunziker syndrome Pigmentation on the oral mucosa, hands, and feet European Journal of Internal Medicine Oral pigmented lesions: a pragmatic approach to diagnosis and management Faculty Dental Journal