Collaborative Hypertext of Radiology

croup

usually viral in origin
sx: barking cough

Xray findings:

reflex inspiratory distention of hypopharanyx
conically narrowed air column ("pencil point") in SUBglottis

The subglottic area of the larynx has a loose mucosal attachment that narrows rapidly with edema causing respiratory distress and inspiratory stridor.

need approximately 130 kVp exam of soft tissues

Brian Funaki, MD - 6 February 1995
Last updated: 1 October 2013