PMC5509182_01
Fusiform dilatation of the trachea
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F1
Our case was a 75-year-old man who was a heavy smoker with a chronic cough associated with production of copious purulent sputum and chronic pulmonary parenchymal changes as evidenced by both auscultation and chest radiographs [Figure 1].
Tracheal dilatation and tracheomalacia with dynamic collapse during cough or forced expiration
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F2
Flexible fiber-optic bronchoscopy [Figure 2] revealed tracheal dilatation, tracheomalacia with dynamic collapse, and profusely purulent secretions in the bilateral lower lobes.
Tracheomegaly with an internal diameter of 46.32 mm
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F3
Chest computed tomography (CT) [Figures 3 and 4] displayed tracheobronchomalacia, tracheobronchomegaly, and bilateral atelectasis in the lower lobes.
Tomographic image reconstruction showing a maximum outer diameter of up to 64 mm
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F4
Chest computed tomography (CT) [Figures 3 and 4] displayed tracheobronchomalacia, tracheobronchomegaly, and bilateral atelectasis in the lower lobes.