Steeple sign: Difference between revisions
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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== | ==X Ray== | ||
* | *The steeple sign is seen on anteroposterior radiographs of the [[soft tissue]]s of the [[neck]]. | ||
**Normal lateral convexities of the subglottic [[trachea]] are lost, and narrowing of the subglottic lumen produces an | **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 cord]]s. | **Point of the inverted V is at the level of the inferior margin of the true [[vocal cord]]s. | ||
**Narrowing of the subglottic lumen alters the radiographic appearance of the tracheal air column, which resembles a steeply pitched roof or a | **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. | *The lateral radiograph of the upper airway will show a normal [[epiglottis]] and narrowing of the subglottic region. | ||
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Image:Croup-002.jpg | Image:Croup-002.jpg | ||
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==References== | ==References== | ||
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[[Category:Radiology]] | [[Category:Radiology]] | ||
[[Category:Radiologic signs]] | [[Category:Radiologic signs]] | ||
[[Category:Emergency medicine]] | [[Category:Emergency medicine]] | ||
{{WikiDoc Help Menu}} | {{WikiDoc Help Menu}} | ||
{{WikiDoc Sources}} | {{WikiDoc Sources}} | ||
Latest revision as of 17:45, 15 June 2015
| Steeple sign | |
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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]
X Ray
- The 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.
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