Preoperative examination of lung transplant candidates: value of chest CT compared with chest radiography.

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Abstract
The purpose of our study was to determine the usefulness of CT in examining candidates for lung transplantation to detect cancer not visible on plain chest radiographs (a finding that would exclude a patient from transplantation) and to determine which lung is more severely diseased to aid in the decision of which side to transplant.We reviewed the chest radiographs and CT scans of 190 transplant candidates during a 3-year period for findings suggestive of neoplasm, including lung nodules and atelectasis; we also reviewed the symmetry of disease. In the latter category, patients with primary pulmonary hypertension, Eisenmenger's complex (pulmonary vascular, not parenchymal, disease), and cystic fibrosis (for which bilateral transplantation is performed) were excluded. A total of 190 plain chest radiographs, 180 thin-section CT scans, and 31 standard CT scans were reviewed retrospectively.Plain chest radiographs revealed 20 noncalcified nodules; 13 were 8 mm or more in diameter, and 7 were less than 8 mm. ...

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