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? Tongue Discoloration New England Journal of Medicine Figure 1 from The Bull's eye Tongue: A Case of Extensive Physiological Pigmentation of the Tongue Semantic Scholar Full article: Melanosis of the Tongue Pigmented Fungiform Papillae (PFP) of the Tongue: A Systematic Review of Current Aetiopathogenesis and Pathophysiology