Pigmented fungiform papillae, or papillary tip melanosis Registered Dental Hygienists Differential Diagnosis of Pigmented Lesions in the Oral Mucosa: A Clinical Based Overview and Narrative Review Tongue Discoloration New England Journal of Medicine 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? Olanzapine Induced Black Hairy Tongue During Treatment of Hebephrenic Schizophrenia Decompensation: A Rare Case Report and Brief Review of the Literature Cureus Solitary pigmentation of the tongue: lentigo simplex or pigmented fungiform papilla?