Unusual Air Crescents on Chest Radiographs

The air crescent (AC) is a common radiological sign. Even if its commonest aetiology remains pulmonary aspergillosis, various other causes have been described. In this study, we report four rare causes of ACs seen on chest radiographs that haven't been described in the literature. The different...

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Bibliographic Details
Published in:Journal of the Belgian Society of Radiology 2024-06, Vol.108 (1), p.63-63
Main Authors: Missi, Amanda Marlène, Tack, Denis, Howarth, Nigel, Salame, Hanna
Format: Article
Language:English
Subjects:
air crescent
Case Report
chest radiograph
unusual aetiologies
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Summary:The air crescent (AC) is a common radiological sign. Even if its commonest aetiology remains pulmonary aspergillosis, various other causes have been described. In this study, we report four rare causes of ACs seen on chest radiographs that haven't been described in the literature. The differential diagnosis of an air crescent sign on chest radiographs includes oesophageal bezoar, interstitial lung emphysema, central bronchial stenosis and perforated emphysematous cholecystitis.
ISSN:2514-8281
2514-8281
DOI:10.5334/jbsr.3583