Which congenital anatomic defects may cause bronchiectasis?

Updated: Sep 15, 2020
  • Author: Ethan E Emmons, MD; Chief Editor: Zab Mosenifar, MD, FACP, FCCP  more...
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Bronchiectasis can result from a variety of congenital anatomic defects. Bronchopulmonary sequestration is a congenital abnormality classified as either intralobar or extralobar and results in chronic lower respiratory tract infections that lead to bronchiectasis.

Williams-Campbell syndrome (congenital cartilage deficiency) is the absence of cartilage from lobar to first- to second-generation segmental airways that results in extensive peripheral bronchiectasis. [45]

Mounier-Kuhn syndrome (tracheobronchomegaly) is a rare disorder characterized by dilation of the trachea and segmental bronchi (central bronchiectasis). [46]

Swyer-James syndrome (unilateral hyperlucent lung) likely is a developmental disturbance that leads to unilateral bronchiolitis, hyperinflation, and, in some cases, bronchiectasis.

Yellow-nail syndrome is rare. It results in exudative pleural effusions. [47]

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