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Age: 18 months

Sex: Male

Indication: Stridor

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Case #24


Findings

  • Narrowing of the subglottic airway with loss of the normal shouldering
  • Mild ballooning of the hypopharynx
  • Normal appearance of the epiglottis
  • No retropharyngeal thickening


Diagnosis

  • Croup (laryngotracheobronchitis)

Sample Report

Narrowing of the subglottic airway with loss of the normal shouldering, which in combination with mild ballooning of the hypopharynx is consistent with croup.

Normal appearance of the epiglottis.

No retropharyngeal thickening.


Discussion

  • Croup affects the subglottic airway most severely, resulting in an upside-down V or steeple appearance
  • There is often associated ballooning of the hypopharynx due to inspiratory airway obstruction, but this can also be seen in normal crying infants if imaged at the precise moment they are gasping for air in between screams



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