Oral melanoma and other pigmentations: when to biopsy? Lambertini 2018 Journal of the European Academy of Dermatology and Venereology Wiley Online Library Removal of lip pigmentation with our Alma Q laser. Such lip spots (aka labial melanotic macules) appear for no apparent reason. Similar spots can appear due to smoking, sun damage, drug reactions, 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 Pigmented Lesions of the Oral Mucosa Pocket Dentistry Oral pigmented lesions: a pragmatic approach to diagnosis and management Faculty Dental Journal Mystery behind labial and oral melanotic macules: Clinical, dermoscopic and pathological aspects of Laugier Hunziker syndrome