An unusual cause of stridor-a case report.

Slridor in children is usually acute in onset and most commonly caused by infections such as acute laryngitis, laryngotracheobronchitis, and acute epiglottitis. Stridor due to foreign body is also not uncommon. The case reported is that of a large upper thoracic pre and paravertebral abscess presenting with stridor. Although a rare cause, it presents as a life threatening entity requiring urgent treatment.