Steeple sign – tapering of the upper trachea on a frontal chest…

Steeple sign – tapering of the upper trachea on a frontal chest or neck radiograph reminiscent of a church steeple. The appearance is suggestive of croup (which should be obvious clinically!). A corresponding lateral image would show narrowing of the sub-glottic trachea and ballooning of the hypopharynx.

from our tumblr blog: http://radiologysigns.tumblr.com/post/23588723084

http://radiologysigns.tumblr.com/

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