Tracheal diverticulum/paratracheal air cysts

Thomas Hartman

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

Imaging description On CT imaging, collections of extraluminal gas may be present adjacent to the trachea. Most commonly these occur in the right paratracheal region at the level of the thoracic inlet [1–3]. In 8–35% of cases, a connection with the trachea can be observed on CT [1–3]. In cases where the connection is observed, these collections have been termed tracheal diverticula (Figures 1.1 and 1.2). In cases where the connection is not observed, these have been termed paratracheal air cysts (Figure 1.3). However, even when a connection with the trachea cannot be seen on CT, these collections should represent tracheal diverticula. Importance Tracheal diverticula typically arise from the right posterolateral wall of the trachea at the level of the thoracic inlet in 98% of the cases [1]. When a focal air collection is observed in this location, tracheal diverticulum should be the diagnosis. This is especially important in cases of trauma as tracheal diverticula occur in approximately 3% of patients and should not be mistaken for traumatic tracheal injury [1].

Original languageEnglish (US)
Title of host publicationPearls and Pitfalls in Thoracic Imaging: Variants and Other Difficult Diagnoses
PublisherCambridge University Press
Pages2-3
Number of pages2
ISBN (Print)9780511977701, 9780521119078
DOIs
StatePublished - Jan 1 2011

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Diverticulum
Cysts
Trachea
Air
Thorax
Wounds and Injuries
Gases

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Hartman, T. (2011). Tracheal diverticulum/paratracheal air cysts. In Pearls and Pitfalls in Thoracic Imaging: Variants and Other Difficult Diagnoses (pp. 2-3). Cambridge University Press. https://doi.org/10.1017/CBO9780511977701.002

Tracheal diverticulum/paratracheal air cysts. / Hartman, Thomas.

Pearls and Pitfalls in Thoracic Imaging: Variants and Other Difficult Diagnoses. Cambridge University Press, 2011. p. 2-3.

Research output: Chapter in Book/Report/Conference proceedingChapter

Hartman, T 2011, Tracheal diverticulum/paratracheal air cysts. in Pearls and Pitfalls in Thoracic Imaging: Variants and Other Difficult Diagnoses. Cambridge University Press, pp. 2-3. https://doi.org/10.1017/CBO9780511977701.002
Hartman T. Tracheal diverticulum/paratracheal air cysts. In Pearls and Pitfalls in Thoracic Imaging: Variants and Other Difficult Diagnoses. Cambridge University Press. 2011. p. 2-3 https://doi.org/10.1017/CBO9780511977701.002
Hartman, Thomas. / Tracheal diverticulum/paratracheal air cysts. Pearls and Pitfalls in Thoracic Imaging: Variants and Other Difficult Diagnoses. Cambridge University Press, 2011. pp. 2-3
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