This 1-year-old patient presented with barking cough and hoarseness. The physical examination revealed neck lymphadenopathy and audible stridor, but the patient was not in respiratory distress and was not drooling. The oropharynx was unremarkable. Chest radiography showed a so-called steeple sign, which results from subglottic narrowing of the trachea and is suggestive of the diagnosis of laryngotracheobronchitis, or croup. The patient recovered following treatment with oral dexamethasone and nebulized epinephrine. (reblogged from NEJM- link)

Image from NEJM image challenge (source)

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