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CT findings in Swyer-James syndrome
L Marti-Bonmati1, F Ruiz Perales, F Catala
1Department of Diagnostic Radiology, Hospital La Fe, Valencia, Spain.
Radiology
|August 1, 1989
Summary
Computed tomography (CT) aids in diagnosing Swyer-James syndrome (SJS) by revealing bronchial patency, lung changes, and bronchiectasis. Specific CT findings, including air trapping, can confirm SJS.
Area of Science:
- Radiology
- Pulmonology
- Medical Imaging
Background:
- Swyer-James syndrome (SJS) is typically diagnosed using chest radiographs during inspiration and expiration.
- The diagnostic utility of computed tomography (CT) for SJS requires further evaluation.
Purpose of the Study:
- To assess the value of CT in evaluating patients with Swyer-James syndrome.
- To identify key CT findings that facilitate SJS diagnosis.
Main Methods:
- Retrospective review of CT scans in patients diagnosed with Swyer-James syndrome.
- Analysis of CT findings related to bronchial patency, lung parenchyma, and bronchiectasis.
Main Results:
- CT effectively determined bronchial patency in all nine SJS patients.
- CT identified lung parenchymal changes, including subpleural infiltrates, atelectasis, and cavities.
- CT demonstrated the extent and degree of bronchiectasis in all patients.
- Characteristic CT findings associated with SJS include a hyperlucent lung, small lung, and diminished pulmonary arteries.
- Expiration CT scans showed air trapping, supporting the SJS diagnosis.
Conclusions:
- CT is a valuable tool for evaluating Swyer-James syndrome.
- Specific CT findings, particularly air trapping on expiration, aid in the diagnosis of SJS and associated bronchiectasis.