CTICasesHybrid Lesion: Intralobar Pulmonary Sequestration and Congenital Pulmonary Airway Malformation (CPAM)
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Imaging findings
CT of the chest shows a complex, disorganized cystic and soft-tissue mass in the right lower lobe. A large, anomalous systemic artery is seen arising directly from the descending thoracic aorta and tracking into the lesion, confirming a hybrid lesion of an intralobar sequestration combined with CPAM.
Key takeaways
Congenital lung anomalies often coexist as hybrid lesions, most commonly demonstrating features of both congenital pulmonary airway malformation and intralobar bronchopulmonary sequestration, evidenced by cystic lung pathology supplied by an anomalous systemic artery.
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