Airway Management of Asymptomatic Tracheal Stenosis in Adult: A Case Report

during respiration was not visualized while performing imaging.Chronic thrombosis of the distal right internal IntroductIonCongenital tracheal stenosis is usually diagnosed during infancy because of respiratory distress.It presents as both inspiratory and expiratory stridor and is often associated with cardiopulmonary abnormalities. 1 Undiagnosed tracheal stenosis without associated symptoms can lead to unanticipated difficult intubation and escalate to an airway emergency.Cantrell and Guild described three kinds of tracheal stenosis: generalized hypoplasia, funnel-like stenosis, and segmental stenosis. 2Other conditions presenting as stridor are tracheomalacia, foreign body, and external compression of the trachea due to a mediastinal mass or a congenital vascular ring. 3 case descrIptIonWe present a case of a 47-year-old female who was being evaluated for a renal transplant.A computerized tomography scan of the chest reported significant luminal compromise of the trachea at the level of the thyroid gland, with a maximum dimension of 7-8 mm in the sagittal plane (Fig. 1).However, no external compression was detected.Tracheal collapse