CTICasesBronchial Atresia
Imaging findings
Chest radiograph and chest CT show a focal, branching, mucus-filled structure (mucoid impaction/bronchocele) in the right upper lobe, associated with surrounding hyperlucency and hypovascularity of the apical segment.
Key takeaways
Bronchial atresia is a congenital anomaly characterized by focal obliteration of a segmental or subsegmental bronchus. The distal airways continue to produce mucus, resulting in a classic finger-in-glove mucoid impaction, while the parenchymal segment is ventilated collaterally via the pores of Kohn, leading to air trapping and regional oligemia.
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