CTICasesTuberculosis Bronchial Stricture with Chronic Air Trapping
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Imaging findings
A 39-year-old man with a history of treated tuberculosis showed fibrocalcific scarring and a small, hyperlucent left lung on radiograph. CT confirmed hyperlucency of the left lung relative to the right and a long stricture of the left main bronchus. Calcified nodules from prior TB were also present, with diffuse chronic air trapping in the left lung.
Key takeaways
Tuberculosis can lead to chronic sequelae, including extensive fibrocalcific scarring and long bronchial strictures, particularly affecting the left main bronchus. Such strictures can result in chronic air trapping and hyperlucency in the affected lung, leading to lung volume loss and a classic 'small hyperlucent lung' appearance.
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