CTICasesRing-sling complex
Imaging findings
Chest CT in an infant shows an anomalous left pulmonary artery coursing between the trachea and esophagus (pulmonary sling) associated with severe, diffuse narrowing of the entire intrathoracic trachea (3 mm) and normal caliber of the extrathoracic trachea, consistent with complete cartilaginous rings.
Key takeaways
The ring-sling complex is the association of a pulmonary sling with complete cartilaginous tracheal rings. Unlike simple tracheomalacia, the airway narrowing is fixed and diffuse throughout the intrathoracic trachea, necessitating surgical reconstruction.
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