The steeple sign (also called Wine bottle sign) refers to tapering of the upper trachea on a frontal chest radiograph reminiscent of a church steeple. The appearance is suggestive of croup (which should be obvious clinically!). A corresponding lateral x-ray would show narrowing of the subglottic trachea and ballooning of the hypopharynx.
Synonyms & Alternative Spellings
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|Wine bottle sign||✓|