Black hairy tongue syndrome A 9 year old boy presented for evaluation of dark spots on the tongue. The family first noted these spots 5 months prior and reported that they remained stable. Can you make a diagnosis? Full article: Melanosis of the Tongue Smoker's Melanosis in Oral Cavity PDF Melanoma Medical Specialties Laugier Hunziker syndrome Black tongue: What is it, and how is it treated? by Dr. Scott Froum StellaLife