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

¹ Eudowood Division of Pediatric Respiratory Sciences, Johns Hopkins Medical Institutions, Baltimore, Maryland, USA
² Russell H Morgan Department of Radiology, Johns Hopkins Medical Institutions, Baltimore, Maryland, USA

Correspondence to:
Dr Sharon McGrath-Morrow, Eudowood Division of Pediatric Respiratory Sciences, Johns Hopkins Hospital, 200 North Wolfe Street, Third Floor, Baltimore, Maryland 21287, USA; smorrow@jhmi.edu

The first 150 words of the full text of this article appear below.

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 airway sounds. He was admitted for observation and underwent CT scanning of the chest and neck with intravenous contrast followed by three-dimensional reconstruction and virtual bronchoscopy. This revealed a right sided tracheal bronchus arising 1.2 cm above the carina, comparable in size to the right mainstem bronchus (figs 1 and 2).

View larger version (110K):   Figure 1 Three-dimensional reconstruction of airway and lungs from neck and thoracic CT scan showing right sided tracheal bronchus . . . [Full text of this article]