| 词条 | Air crescent sign |
| 释义 |
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] It is also referred as Monad sign.[3] Additional images{{clear}}References1. ^{{cite journal |author =Abramson S |title=The air crescent sign |journal=Radiology |volume=218 |issue=1 |pages=230–2 |date=January 2001 |pmid=11152807 |doi= 10.1148/radiology.218.1.r01ja19230|url=http://radiology.rsnajnls.org/cgi/pmidlookup?view=long&pmid=11152807}} 2. ^{{cite journal |vauthors =Curtis AM, Smith GJ, Ravin CE |title=Air crescent sign of invasive aspergillosis |journal=Radiology |volume=133 |issue=1 |pages=17–21 |date=October 1979 |pmid=472287 |doi= 10.1148/133.1.17|url=}} 3. ^{{cite web|last1=Goel|first1=Ayush|title=Pulmonary aspergillosis|url=http://www.mediconotebook.com/2015/05/pulmonary-aspergillosis.html|website=Mediconotebook|accessdate=29 May 2015}} External links
1 : Radiologic signs |
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