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Pulmonary puzzle

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The major abnormalities shown in the CT and bronchoscopic images are nodularity and plaques on the anterolateral walls of the trachea and main bronchi. This is caused by tracheobronchopathia osteochondroplastica (TO). First described by Samuel Wilks in 1857,1 it is a rare benign condition of unknown aetiology observed in about 0.1% of bronchoscopies.2 A diagnosis of TO is suggested from characteristic …

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