Mystery behind labial and oral melanotic macules: Clinical, dermoscopic and pathological aspects of Laugier Hunziker 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? Unusual Extensive Physiologic Pigmentation of the Tongue: A Case Report Cureus Pigmented Lesions of the Oral Cavity Geeky Medics