Paediapaedia: Chest Clinical and Radiographic Presentations, DDX, Approach to Imaging
Michael P. D'Alessandro, M.D.
Peer Review Status: Internally Peer Reviewed
AP and lateral plain films of the airway are the preferred imaging modality.
The AP film in croup will reveal the characteristic steeple sign, due to subglottic edema.
The lateral film in epiglottitis will reveal the characteristically thickened epiglottis and aryepiglottic folds. Subglottic edema may also be present.
See References Chapter.
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