CHORUS

Collaborative Hypertext of Radiology

Respiratory system

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foreign body aspiration

• 80% ==> obstructive emphysema ("air trapping")
• 20% ==> obstructive atelectasis
• <1% ==> normal aeration

• normal bronchi dilate during inspiration
• the aspirated particle acts as a one-way valve

• decubitus or inspiratory/expiratory views

Related CHORUS documents: bronchiectasis achalasia aneurysmal bone cyst apical cap asbestosis atelectasis

Copyright © 2013, Charles E. Kahn, Jr.