Mucosal melanocytic macules Definition of melanocytic macules associated with Peutz Jeghers syndrome NCI Dictionary of Genetics Terms NCI Labial Lentigo (labial melanotic macule) Cancer Therapy Advisor Pathology Outlines Melanotic macule Melanocytic Nevus: What Is It, Causes, Signs and Symptoms, and More Osmosis 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