Steeple sign: Difference between revisions
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{{Search infobox}} | {{Search infobox}} | ||
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==Overview== | ==Overview== | ||
In [[radiology]], the '''steeple sign''' is a [[sign (medicine)|sign]] on a [[frontal]] [[X-ray]] of [[Vertebrate trachea|tracheal]] narrowing and suggestive of the [[diagnosis]] of [[croup]].<ref>{{cite journal | author = Salour M | title = The steeple sign. | journal = Radiology | volume = 216 | issue = 2 | pages = 428-9 | year = 2000 | id = PMID 10924564}}</ref> | In [[radiology]], the '''steeple sign''' is a [[sign (medicine)|sign]] on a [[frontal]] [[X-ray]] of [[Vertebrate trachea|tracheal]] narrowing and suggestive of the [[diagnosis]] of [[croup]].<ref>{{cite journal | author = Salour M | title = The steeple sign. | journal = Radiology | volume = 216 | issue = 2 | pages = 428-9 | year = 2000 | id = PMID 10924564}}</ref> | ||
=== | ==X Ray== | ||
*'''Steeple sign''' is seen on anteroposterior radiographs of the soft tissues of the neck. | *'''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. | **Normal lateral convexities of the subglottic trachea are lost, and narrowing of the subglottic lumen produces an '''inverted V''' configuration in this area. | ||
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Image:Croup-002.jpg | Image:Croup-002.jpg | ||
</gallery> | </gallery> | ||
==References== | ==References== | ||
{{Reflist|2}} | |||
==External links== | ==External links== | ||
Revision as of 19:19, 30 January 2013
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]
X Ray
- 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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