Air crescent sign
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In radiology, the air crescent sign is a finding on chest X-ray and/or computed tomography that is crescenteric and radiolucent, due to a lung cavity that is filled with air and has a round radioopaque mass.[1] Classically, it is due to aspergilloma (a type of aspergillosis) in the lung. This occurs when Aspergillus colonizes a cavity in the lung.[1]
References
External links
- Air cresent sign on CXR - radiology.rsnajnls.org
- Air cresent sign on CT - radiology.rsnajnls.org
