Unusual Extensive Physiologic Pigmentation of the Tongue: A Case Report Cureus Laugier Hunziker syndrome Pigmented lesions of the oral mucosa and perioral tissues: a flow chart for the diagnosis and some recommendations for the management ScienceDirect 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? A) Hairy black tongue. (B) Linea alba. (C) Oral melanotic macule. (D) Download Scientific Diagram