Trachea

Question 1

asymptomatic patient

Answer 1

tracheal diverticulum

Question 2

50 yo M with chronic cough and recurrent infections

Answer 2

Tracheobronchomegaly (Mounier-Kuhn syndrome)

Dilatation of trachea & central bronchi that impairs ability to clear mucus

Atrophy or absence of elastic fibers & thinning of smooth muscle layer in trachea & main bronchi

Question 3

bronchography

Answer 3

Mounier Kuhn.

In this case: dilated corrugated trachea and RUL bronchiectasis

Question 4

Answer 4

Tracheobronchomegaly; Mounier-Kuhn syndrome

Coronal CECT of a patient with tracheobronchomegaly shows marked dilatation of the trachea (open arrow) and mainstem bronchi . The large airways have a corrugated appearance. Right lower lobe pneumonia (straight arrow) and paraseptal emphysema are also present.

Question 5

Answer 5

Esophageal intubation

Question 6

Answer 6

Saber sheath trachea, pathognomonic for COPD

Best diagnostic clue: Side-to-side narrowing of intrathoracic trachea

In this case you can see subtle apical centrilobuar emphysema

Question 7

Answer 7

Saber sheath trachea, pathognomonic for COPD

Question 8

Answer 8

dynamic inspiratory and expiratory imaging

Question 9

Answer 9

adenoid cystic carcinoma

Question 10

trachia and main bronchi can have wall thickening which is CIRCUMFENTIAL

Answer 10

GPA