A Fast Growing Black Patch on the Upper Front Gum: Malignant Melanoma Springer Nature Link Mucosal melanocytic macules Definition of melanocytic macules associated with Peutz Jeghers syndrome NCI Dictionary of Genetics Terms NCI Mara Ever wondered what those little brown spots are that are often found on the lip? Many refer to them as a freckle but the medical term is melanotic macules. Spotty lips. These are labial melanotic macules, kinda like freckles on the lips. They are mostly due to age and sun exposure, but sometimes they run in families and are associated with Figure 1 from Oral melanotic macule a case report. Semantic Scholar