J.Jpn. Surg. Soc.. 124(6): 478-484, 2023

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UPDATE ON IMAGING FINDINGS IN CONGENITAL CYSTIC LUNG DISEASES

The most common clinically significant congenital cystic lung diseases (CCLDs) can be classified into three main groups: predominantly parenchymal abnormalities such as congenital pulmonary airway malformation; combined parenchymal and vascular abnormalities such as bronchopulmonary sequestration; and parenchymal abnormalities due to bronchial obstruction such as bronchial atresia. Imaging findings of CCLD that need to be evaluated and described include： 1) location of lesions； 2) associated anomalous vascular supply and drainage of the lesions； 3) parenchymal abnormality and degree of aeration； 4) airway abnormality； and 5) an assessment of associated anomalies. Postnatal imaging diagnosis of CCLD is important for patient management and treatment decisions. CT with contrast medium is the most useful modality because of the need to assess both lung parenchyma and vascular structure. We review the typical radiological findings of common CCLD encountered in the pediatric population with the underlying etiology and clinical presentation.

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