Pulmonary Artery Sling Blurs the Distal Trachea on Frontal Chest Radiography

Abstract

Teaching Point: The pulmonary artery sling can be suspected on frontal chest radiography, not only by ancillary findings like lobe/lung emphysema or persisting atelectasis, but also blurring of the distal trachea or carina.

Keywords

• lung
• pediatrics
• bronchus
• trachea
• artery sling