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1 From the Departments of Radiology (E.Y.L., R.H.C.) and Medicine, Pulmonary Division (E.Y.L.), Children's Hospital Boston and Harvard Medical School, 300 Longwood Ave, Boston, MA 02115; and Department of Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (P.M.B.). Received December 12, 2006; revision requested February 7, 2007; revision received February 17; accepted March 20; final version accepted June 1; final review and update by E.Y.L. January 11, 2008. E.Y.L. supported in part by a GE-AUR Research Award, the Society of Thoracic Radiology Research Grant, and the Society for Pediatric Radiology Research Fellow Grant. Address correspondence to E.Y.L. (e-mail: Edward.Lee{at}childrens.harvard.edu).
Congenital lung anomalies vary widely in their clinical manifestation and imaging appearance. Although radiographs play a role in the incidental detection and initial imaging evaluation in patients with clinical suspicion of congenital lung anomalies, cross-sectional imaging such as computer tomography (CT) is frequently required for confirmation of diagnosis, further characterization, and preoperative evaluation in the case of surgical lesions. Recently, with the development and widespread availability of multidetector CT scanners, CT has assumed a greater role in the noninvasive evaluation of congenital lung anomalies. The combination of fast speed, high spatial resolution, and enhanced quality of multiplanar reformation and three-dimensional reconstructions makes multidetector CT an ideal noninvasive method for evaluating congenital lung anomalies. In this article, the authors review the multidetector CT technique for evaluation of congenital lung anomalies. Important clinical aspects, characteristic imaging features, and key points that allow differentiation among various anomalies are highlighted for a variety of common and uncommon conditions.
© RSNA, 2008
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