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Multiplanar and Three-dimensional Multi–Detector Row CT of Thoracic Vessels and Airways in the Pediatric Population¹

¹ From the Edward Mallinckrodt Institute of Radiology, Washington University School of Medicine, 510 S Kingshighway Blvd, St Louis, MO 63110. Received August 8, 2002; revision requested October 8; revision received November 20; accepted January 2, 2003; updated September 15. Address correspondence to the author (e-mail: siegelm@mir.wustl.edu).

Multi–detector row computed tomography (CT) has changed the approach to imaging of thoracic anatomy and disease in the pediatric population. At the author’s institution, multi–detector row CT with multiplanar and three-dimensional reconstruction has become an important examination in the evaluation of systemic and pulmonary vasculature and the tracheobronchial tree. In some clinical situations, multi–detector row CT with reformatted images is obviating conventional angiography, which is associated with higher radiation doses and longer sedation times. Although multi–detector row CT with multiplanar and three-dimensional reconstruction is expanding the applications of CT of the thorax, its role as a diagnostic tool still needs to be better defined. The purposes of this article are to describe how to perform multi–detector row CT with multiplanar and three-dimensional reconstruction in young patients, to discuss various reconstruction techniques available, and to discuss applications in the evaluation of vascular and airways diseases.

© RSNA, 2003

Index terms: Aorta, CT, 56.12111, 56.12112, 56.12117 • Bronchi, CT, 671.12111, 671.12117 • Computed tomography (CT), in infants and children • Computed tomography (CT), multi–detector row, _**.12117² • Radiology and radiologists, How I Do It • Trachea, CT, 671.12111, 671.12117

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