Bronchial Atresia
Imaging findings
Chest radiograph and CT show a branch-like mucoid impaction (bronchocele) in the apical segment of the left upper lobe, surrounded by hyperlucent, oligemic lung tissue. An incidental adenocarcinoma is also present in the right upper lobe.
Key takeaways
Congenital bronchial atresia is characterized by a blind-ending bronchus, leading to mucus accumulation (bronchocele) and regional hyperlucency due to collateral ventilation and oligemia. It is typically a benign, asymptomatic finding.
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