Steeple sign (trachea), Radiology Reference Article

The steeple sign (also called the wine bottle sign, and inverted V sign), refers to the tapering of the upper trachea on a frontal chest radiograph reminiscent of a church steeple, s

Croup, Radiology Case

Chest radiograph showed the steeple sign.

Croup - steeple sign, Radiology Case

Imaging Acute Airway Obstruction in Infants and Children

Neck radiographs: the stridulous child

Croup x ray - wikidoc

Chest Radiology Findings, Pearls and Pitfalls

Classic signs in head and neck imaging - ScienceDirect

Golden S-sign (lung lobe collapse), Radiology Reference Article

Croup: Background, Epidemiology

Focal Large Airway Anomalies and Abnormalities in Pediatric Patients

Croup Imaging: Practice Essentials, Radiography