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Tracheal stenosis

Dr Bruno Di Muzio and Radswiki et al.

Tracheal stenosis is usually acquired following intubation or tracheostomy. It can also arise as part of the spectrum of tracheobronchial stenosis.

Pathology

Inflammation and pressure necrosis of the tracheal mucosa most commonly occur at either the tracheostomy stoma or at the level of the tube balloon. Acute post-intubation stenosis results from mucosal oedema or granulation tissue.

The stenosis is typically 1.5-2.5 cm in length. In patients with chronic stricture, tracheomalacia may result from weakness of tracheal cartilage and can be a cause of dyspnoea.

Radiographic features

CT

Eccentric or concentric soft tissue thickening internal to normal-appearing tracheal cartilage may be visible. The outer tracheal wall has a normal appearance without evidence of deformity or narrowing. Expiratory CT shows little change in tracheal diameter.

Chest

Article information

rID: 15607
Systems: Chest, Paediatrics
Synonyms or Alternate Spellings:
  • Stenosis of trachea
  • Stenosis of the trachea

Cases and figures

  • Case 1: post-intubation
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  • Case 2: post-intubation
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  • Case 3: extrinsic compression by diffuse idiopathic skeletal hyperostosis (DISH)
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