Tracheal stenosis

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[edit] Discussion of Tracheal stenosis

  • Acquired tracheal stenosis is usually caused by intubation or tracheostomy.
    • Inflammation and pressure necrosis of the tracheal mucosa most commonly occur at either the tracheostomy stoma or at the level of the tube balloon
    • The stenosis is typically 1.5-2.5 cm in length.
  • Acute postintubation stenosis results from mucosal edema or granulation tissue.
  • In patients with chronic stricture, tracheomalacia may result from weakness of tracheal cartilage and can be a cause of dyspnea.

[edit] Imaging Findings for Tracheal stenosis

  • On CT, this condition may be seen as eccentric or concentric soft-tissue thickening internal to normal-appearing tracheal cartilage.
  • The outer tracheal wall has a normal appearance without evidence of deformity or narrowing.
  • Expiratory CT shows little change in tracheal diameter.

[edit] Images

Patient #1

[edit] See Also

[edit] External Links

[edit] References for Tracheal stenosis