Black hairy tongue in an infant CMAJ 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? Pigmented Lesions of the Oral Cavity Pocket Dentistry Citalopram Induced Oral Melanotic Macules in a Female Patient and a Review of the Literature Cureus Oral pigmentation in children: a diagnostic challenge Archives of Disease in Childhood