title: Images in anesthesiology: Unexpected difficult intubation caused by a subglottic tracheal ring.
authors.affiliation: Department of Anesthesiology, Hospital Universitari Germans Trias I Pujol, Barcelona, Spain. 29153aet@comb.cat
authors.forename: Adrián
authors.initials: A
authors.lastname: Escudero
authors.forename: María Teresa
authors.initials: MT
authors.lastname: Sariñena
authors.forename: Luis
authors.initials: L
authors.lastname: Delgado
authors.forename: María Dolores
authors.initials: MD
authors.lastname: Guerrero
authors.forename: Jaume
authors.initials: J
authors.lastname: Canet
mesh_terms: D000368:Aged; D000768:Anesthesia, General; D000769:Anesthesia, Inhalation; D047549:Coronary Artery Bypass, Off-Pump; D004165:Diphtheria / Q000150:complications / Q000473:pathology*; D005931:Glottis / Q000473:pathology*; D006801:Humans; D007442:Intubation, Intratracheal / Q000009:adverse effects*; D007829:Laryngostenosis / Q000209:etiology / Q000473:pathology; D008297:Male; D014057:Tomography, X-Ray Computed; D014132:Trachea / Q000473:pathology*