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Fetal imaging of congenital lung lesions with postnatal correlation

  • Thoracic imaging
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Abstract

Congenital lung lesions are a rare group of developmental pulmonary abnormalities that are often first identified prenatally on routine second-trimester US. Congenital pulmonary airway malformation (CPAM) is the most common anomaly while others include bronchopulmonary sequestration, congenital lobar overinflation, bronchogenic cyst and bronchial atresia. Clinical presentation is highly variable, ranging from apparent in utero resolution to severe mass effect with resultant hydrops fetalis and fetal demise. Differentiation among these lesions can be challenging because overlapping imaging features are often present. The roles of the radiologist are to identify key imaging findings that help in diagnosing congenital lung lesions and to recognize any ominous features that might require prenatal or perinatal intervention. High-resolution US and complementary rapid-acquisition fetal MRI provide valuable information necessary for lesion characterization. Postnatal US and CT angiography are helpful for lesion evaluation and for possible surgical planning. This article reviews the embryology of the lungs, the normal prenatal imaging appearance of the thorax and its contents, and the prenatal and neonatal imaging characteristics, prognosis and management of various congenital lung lesions.

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  1. Department of Radiology, LeBonheur Children’s Hospital, University of Tennessee Health Science Center, 848 Adams Ave., Memphis, TN, 38103, USA

    Akosua Sintim-Damoa & Harris L. Cohen

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  1. Akosua Sintim-Damoa
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  2. Harris L. Cohen
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Correspondence to Akosua Sintim-Damoa.

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Sintim-Damoa, A., Cohen, H.L. Fetal imaging of congenital lung lesions with postnatal correlation. Pediatr Radiol 52, 1921–1934 (2022). https://doi.org/10.1007/s00247-022-05465-w

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