Tracheal bronchus in a 6-month-old infant identified by CT with three-dimensional airway reconstruction

A 6 month old infant presented with a history of cough and noisy breathing since 5 weeks of age. He had been evaluated many times in a local emergency department for episodes of cough, wheeze and retractions. His parents reported that his symptoms seemed to be worse when he was supine and did not respond well to steroids or bronchodilators. He had been feeding and growing normally. On examination he was slightly tachypnoeic with mild subcostal retractions and coarse upper …