Air crescent sign
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Air crescent sign
In radiology, the air crescent sign is a finding on chest radiograph and computed tomography that is crescenteric and radiolucent, due to a lung cavity that is filled with air and has a round radiopaque mass.[1] Classically, it is due to an aspergilloma, a form of aspergillosis, that occurs when the fungus Aspergillus grows in a cavity in the lung.[2]
References
- ^ Abramson S (January 2001). "The air crescent sign". Radiology 218 (1): 230–2. PMID 11152807. http://radiology.rsnajnls.org/cgi/pmidlookup?view=long&pmid=11152807.
- ^ Curtis AM, Smith GJ, Ravin CE (October 1979). "Air crescent sign of invasive aspergillosis". Radiology 133 (1): 17–21. doi:10.1148/133.1.17. PMID 472287.
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