What would a lateral neck X-ray of a child with epiglottitis likely reveal?

A lateral neck X-ray of a child with epiglottitis would likely reveal swelling or haziness in the supraglottic area. This is indicative of inflammation and swelling of the epiglottis and surrounding structures, which is a hallmark sign of epiglottitis, especially in children. The swelling often appears as a "thumb sign" on the X-ray, where the enlarged epiglottis is visualized projecting into the airway.

This finding is critical as it helps in diagnosing epiglottitis and suggests the need for immediate medical attention due to the potential for airway obstruction. Proper identification of this sign can prompt timely interventions, such as securing the airway or administering appropriate treatment.

Other options such as clear airways or normal findings for age would not align with the clinical presentation of epiglottitis, which typically involves significant swelling and possible airway compromise. Complete blockage of the airway may occur in severe cases, but it is not typically visualized directly on an X-ray; instead, it signifies a medical emergency that requires immediate intervention. Hence, the correct identification of the characteristic swelling in the supraglottic area is vital for understanding the condition and responding appropriately.