CTICasesBronchial atresia and sequestration with chronic thromboembolic pulmonary hypertension
Imaging findings
Chest CT demonstrates a hybrid congenital lesion consisting of bronchial atresia and intralobar sequestration. Additionally, there is central pulmonary artery enlargement, arterial cut-off/webbing, and mosaic perfusion on CT and VQ scan.
Key takeaways
Congenital lung lesions such as bronchial atresia and pulmonary sequestration can coexist in a hybrid form. Furthermore, chronic thromboembolic pulmonary hypertension can develop in patients with underlying congenital vascular or parenchymal anomalies, presenting as pulmonary arterial webbing and mosaic perfusion.
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