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Tracheal diverticulum

Case contributed by Mostafa Elfeky
Diagnosis almost certain

Presentation

Cough

Patient Data

Age: 50 years
Gender: Male
ct

Scanogram shows homogeneous well-defined lucent shadow at right paratracheal region.

Normal CT of the chest. Right paratracheal air cyst is seen.

Annotated image

Green arrow points to the tracheal diverticulum on scanogram.

Purple arrows point to a tiny point of communication of this cyst to the trachea lumen at the most proximal part of the cyst, more visible with windowing.

Case Discussion

A tracheal diverticulum is usually an incidental finding and mostly lies to the right where there is no esophagus supporting the paratracheal tissue. A direct connection with the trachea may not always be shown on CT.

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