CTICasesLeft lung agenesis
Imaging findings
Chest CT of a three-week-old infant demonstrates complete absence of the left lung parenchyma, left bronchus, and left pulmonary vasculature. The trachea continues directly into the right main bronchus, and the right lung herniates across the midline into the left hemithorax.
Key takeaways
Pulmonary agenesis is a congenital anomaly characterized by the complete absence of lung parenchyma, bronchus, and pulmonary vasculature on the affected side. It must be distinguished from pulmonary aplasia and hypoplasia.
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