Steeple sign: Difference between revisions
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Revision as of 16:16, 20 August 2012
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Template:Search infobox Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
In radiology, the steeple sign is a sign on a frontal X-ray of tracheal narrowing and suggestive of the diagnosis of croup.[1]
Plain film
- Steeple sign is seen on anteroposterior radiographs of the soft tissues of the neck.
- Normal lateral convexities of the subglottic trachea are lost, and narrowing of the subglottic lumen produces an inverted V configuration in this area.
- Point of the inverted V is at the level of the inferior margin of the true vocal cords.
- Narrowing of the subglottic lumen alters the radiographic appearance of the tracheal air column, which resembles a steeply pitched roof or a church steeple.
- The lateral radiograph of the upper airway will show a normal epiglottis and narrowing of the subglottic region.
References
- ↑ Salour M (2000). "The steeple sign". Radiology. 216 (2): 428–9. PMID 10924564.
External links
- Frontal radiograph of someone with the steeple sign - Journal of Radiology.
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