Bronchial atresia

Case contributed by Stefan Tigges
Diagnosis almost certain



Patient Data

Age: 55 years
Gender: Male

Small bilobed right upper lobe nodule, slightly increased lucency right upper lobe, otherwise normal.


Tubular, low density right upper lobe structure branching away from the hilum without connection to the tracheobronchial tree. The surrounding lung is hyperlucent due to air trapping.

Case Discussion

Findings are typical for bronchial atresia where there is no connection of a portion of the bronchial tree with the central airways, resulting in a build-up of secretions with dilation of the affected airway and air trapping in the surrounding lung.

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