Saber-sheath trachea

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[edit] Discussion of Saber-sheath trachea

  • Saber-sheath trachea is common and almost always associated with chronic obstructive pulmonary disease.
  • It is characterized by a marked decrease in the coronal diameter of the intrathoracic trachea associated with an increase in its sagittal diameter.

[edit] Imaging Findings for Saber-sheath trachea

  • Marked decrease in the coronal diameter of the intrathoracic trachea associated with an increase in its sagittal diameter.
  • On CT, inward bowing or displacement of the lateral tracheal walls as a result of cartilage weakness is seen.
  • CT during forced expiration may show further inward bowing of the tracheal walls (tracheomalacia), which usually have normal thickness.

[edit] Images

Patient #1

[edit] See Also

[edit] External Links

Goldminer: Saber-sheath

[edit] References for Saber-sheath trachea