Conjunctival Nevus: Symptoms, Causes and Treatment This lovely patient was thrilled with her beautiful result after laser treatment of oral melanotic macules. I share this case to educate: laser treatment requires accurate diagnosis, an understanding of the differential 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 Amelanotic Melanoma: Symptoms, Outlook, and Treatment About Moles Types, Warning Signs, Causes, and Prevention Smoker's melanosis Wikipedia