Freckle on Lip: Meaning, Causes and Is It Dangerous? (Labial Melanotic Macule) La Bouche Parfaite Q Switched Laser for the treatment of mucocutaneous pigmentation on Peutz Jeghers Syndrome Melanocytic Lesions A Guide to Clinical Differential Diagnosis of Oral Mucosal Lesions Continuing Education Course dentalcare.com Mucosal melanocytic macules Pigmented Lesions of the Oral Mucosa Springer Nature Link 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.