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 Melanotic Macules, Naevi, and Melanoma Springer Nature Link An oral melanotic macule is a harmless dark spot found on the lip, most often the lower lip, or inside the mouth, either on the gums, inside the cheek, or on the roof of the mouth. An oral melanotic Lip pigmentation Oral Melanotic Macule: Symptoms and Treatment Skinsight Oral Pigment lesions My Doctors