Tracheobronchomegaly

Thomas Hartman

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

Imaging description Tracheobronchomegaly (Mounier-Kuhn syndrome) is characterized by dilatation of the intrathoracic trachea and mainstem bronchi [1–3]. Bronchiectasis involving segmental and subsegmental bronchi may also be present (Figures 5.1 and 5.2). Hyperinflation and/or emphysematous changes in the lung distal to the bronchial dilatation can also be seen (Figure 5.1). Tracheobronchomegaly is characterized by severe atrophy or absence of longitudinal elastic fibers and thinning of the muscularis mucosa within the wall of the trachea and central bronchi. This allows the membranous and cartilaginous portion of the trachea and mainstem bronchi to dilate. Redundant tissue between the cartilaginous rings develops and results in broad protrusions between the cartilaginous rings which can give the wall of the trachea a corrugated appearance (Figure 5.1). Importance Tracheobronchomegaly is likely an under-recognized disease as the majority of patients with this abnormality are asymptomatic. This is likely a congenital abnormality that is inherited as an autosomal recessive trait. There is striking male predominance although tracheobronchomegaly has been reported in women.

Original languageEnglish (US)
Title of host publicationPearls and Pitfalls in Thoracic Imaging: Variants and Other Difficult Diagnoses
PublisherCambridge University Press
Pages12-13
Number of pages2
ISBN (Print)9780511977701, 9780521119078
DOIs
StatePublished - Jan 1 2011

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Tracheobronchomegaly
Bronchi
Trachea
Dilatation
Elastic Tissue
Bronchiectasis
Atrophy
Mucous Membrane
Lung

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Hartman, T. (2011). Tracheobronchomegaly. In Pearls and Pitfalls in Thoracic Imaging: Variants and Other Difficult Diagnoses (pp. 12-13). Cambridge University Press. https://doi.org/10.1017/CBO9780511977701.006

Tracheobronchomegaly. / Hartman, Thomas.

Pearls and Pitfalls in Thoracic Imaging: Variants and Other Difficult Diagnoses. Cambridge University Press, 2011. p. 12-13.

Research output: Chapter in Book/Report/Conference proceedingChapter

Hartman, T 2011, Tracheobronchomegaly. in Pearls and Pitfalls in Thoracic Imaging: Variants and Other Difficult Diagnoses. Cambridge University Press, pp. 12-13. https://doi.org/10.1017/CBO9780511977701.006
Hartman T. Tracheobronchomegaly. In Pearls and Pitfalls in Thoracic Imaging: Variants and Other Difficult Diagnoses. Cambridge University Press. 2011. p. 12-13 https://doi.org/10.1017/CBO9780511977701.006
Hartman, Thomas. / Tracheobronchomegaly. Pearls and Pitfalls in Thoracic Imaging: Variants and Other Difficult Diagnoses. Cambridge University Press, 2011. pp. 12-13
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