CTICasesTracheal diverticulosis
Imaging findings
Chest CT and 3D airway reconstructions in a 92-year-old female show multiple complex, air-filled paratracheal pockets (diverticula) communicating with the right posterolateral aspect of a dilated, scalloped trachea, associated with right upper lobe bronchiectasis.
Key takeaways
Tracheal diverticulosis is characterized by multiple air-filled pouches along the posterolateral trachea. Often associated with tracheobronchomegaly or chronic respiratory disease, they are typically acquired from chronic mucosal herniation secondary to elevated airway pressures.
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