Steeple sign: Difference between revisions
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In [[radiology]], the '''steeple sign''' is a [[radiologic sign]] found on a frontal neck [[radiograph]] where [[epiglottis|subglottic]] [[Vertebrate trachea|tracheal]] narrowing produces the shape of a [[church (building)|church]] [[steeple]] within the trachea itself.<ref name="Braen2012">{{cite book|last=Braen|first=G. Richard|title=Manual of Emergency Medicine|date=29 March 2012|publisher=Lippincott Williams & Wilkins|isbn=9781451153910|page=203|quote=Radiologic confirmation of proximal narrowing of the subglottic space can be |
In [[radiology]], the '''steeple sign''' is a [[radiologic sign]] found on a frontal neck [[radiograph]] where [[epiglottis|subglottic]] [[Vertebrate trachea|tracheal]] narrowing produces the shape of a [[church (building)|church]] [[steeple]] within the trachea itself.<ref name="Braen2012">{{cite book|last=Braen|first=G. Richard|title=Manual of Emergency Medicine|date=29 March 2012|publisher=Lippincott Williams & Wilkins|isbn=9781451153910|page=203|quote=Radiologic confirmation of proximal narrowing of the subglottic space can be obtained by an AP radiograph of the neck; typically, a "steeple sign" is noted referring to the similar appearance of a church steeple.}}</ref><ref name="Burket2008">{{cite book|last=Burket|first=Lester William|title=Burket's Oral Medicine|year=2008|publisher=PMPH-USA|isbn=9781550093452|page=304|quote=This type of narrowing is typically present in croup and is known as the steeple sign on the anteroposterior radiograph given its similarity to a church steeple.}}</ref> The presence of the steeple sign supports a [[diagnosis]] of [[croup]], usually caused by [[Paramyxoviridae|paramyxovirus]]es.<ref>{{cite journal | last = Salour|first= M. | title = The steeple sign | journal = [[Radiology (journal)|Radiology]] | volume = 216 | issue = 2 | pages = 428–9 | year = 2000 | pmid = 10924564 | doi=10.1148/radiology.216.2.r00au18428}}</ref> It can also be defined as the replacement of the usual squared-shoulder appearance of the subglottic area by cone-shaped narrowing just distal to the vocal cords. This is called the steeple or pencil-point sign. |
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==References== |
==References== |
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Latest revision as of 16:19, 14 June 2024
| Steeple sign | |
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| The steeple sign as seen on an anteroposterior neck X-ray of a child with croup | |
| Differential diagnosis | Croup |
In radiology, the steeple sign is a radiologic sign found on a frontal neck radiograph where subglottic tracheal narrowing produces the shape of a church steeple within the trachea itself.[1][2] The presence of the steeple sign supports a diagnosis of croup, usually caused by paramyxoviruses.[3] It can also be defined as the replacement of the usual squared-shoulder appearance of the subglottic area by cone-shaped narrowing just distal to the vocal cords. This is called the steeple or pencil-point sign.
References
[edit]- ^ Braen, G. Richard (29 March 2012). Manual of Emergency Medicine. Lippincott Williams & Wilkins. p. 203. ISBN 9781451153910.
Radiologic confirmation of proximal narrowing of the subglottic space can be obtained by an AP radiograph of the neck; typically, a "steeple sign" is noted referring to the similar appearance of a church steeple.
- ^ Burket, Lester William (2008). Burket's Oral Medicine. PMPH-USA. p. 304. ISBN 9781550093452.
This type of narrowing is typically present in croup and is known as the steeple sign on the anteroposterior radiograph given its similarity to a church steeple.
- ^ Salour, M. (2000). "The steeple sign". Radiology. 216 (2): 428–9. doi:10.1148/radiology.216.2.r00au18428. PMID 10924564.
External links
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