Quiz — what’s the diagnosis?
Look at the images, read the history and pick the most likely diagnosis. Your score is kept on this device.
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X-ray
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Frontal radiograph of the neck (arrow from the original source).
Image: Frank Gaillard, CC BY-SA 3.0 — source
Case 1017
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Presentation
Barking cough and inspiratory stridor after a few days of coryza.
- Tapered narrowing of the subglottic trachea (arrow) — the steeple sign
- Loss of the normal rounded shoulders of the subglottic airway