Unusual Extensive Physiologic Pigmentation of the Tongue: A Case Report Cureus 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? Black tongue: What is it, and how is it treated? by Dr. Scott Froum StellaLife Smoker's Melanosis in Oral Cavity PDF Melanoma Medical Specialties Oral Mucosal Melanosis IntechOpen Pigmented lesions of the oral mucosa and perioral tissues: a flow chart for the diagnosis and some recommendations for the management ScienceDirect