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©2013 UpToDate ® Print Email Left upper lobe bronchial atresia seen on a chest radiograph The radiograph demonstrates a tubular mass in the left hilar region with hyperexpansion and hyperlucency of the left upper lobe. Courtesy of Paul Stark, MD. Left upper lobe bronchial atresia seen on an axial CT image Axial CT scan with lung window settings shows marked hyperexpansion of the left upper lobe a tubular branching hilar mass and absence of the proximal left upper lobe bronchus. Courtesy of Paul Stark, MD. Left upper lobe bronchial atresia seen on a coronal CT image Coronal multiplanar reformat with mediastinal window settings shows the tubular hilar mass consistent with a mucoid impaction distal to the atretic bronchus. No evidence for an endobronchial tumor is seen, but tubular calcifications are seen in the mucoid impaction. Courtesy of Paul Stark, MD.
©2013 UpToDate ® Print Email Left upper lobe bronchial atresia seen on a chest radiograph The radiograph demonstrates a tubular mass in the left hilar region with hyperexpansion and hyperlucency of the left upper lobe. Courtesy of Paul Stark, MD.