From the case: Croup - steeple sign

X-ray
Croup - Steeple S...
Frontal
Croup - Steeple Sign
Modality: X-ray (Frontal)

- “ 30 month old boy with croup demonstrating a steeple sign on AP radiograph. ”

Used in the following articles:

  • Croup - “ Croup, also called acute laryngotracheobronchitis is due to viral infection of the upper airway by parainfluenza virus or respiratory syncytial vi...”
  • Steeple sign (trachea) - “ The steeple sign, also called the wine bottle sign, refers to the tapering of the upper trachea on a frontal chest radiograph reminiscent of a chu...”

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