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Ontology Browser

Term:
Parent Terms Term With Siblings Child Terms
Air bronchogram  
Air crescent 
Air trapping 
Air trapping is retention of air in the lung distal to an obstruction (usually partial). Air trapping is seen on end-expiration CT scans as parenchymal areas with less than normal increase in attenuation and lack of volume reduction. Comparison between inspiratory and expiratory CT scans can be helpful when air trapping is subtle or diffuse.
Apical pulmonary opacity 
Atelectasis +   
Beaded septum sign 
Bronchocele 
Broncholith 
Continuous diaphragm sign 
Expiratory air trapping 
Mass on thoracic imaging +   
Organizing pneumonia  
Progressive massive fibrosis 
Pulmonary blood flow redistribution 
Pulmonary cavity +  
Pulmonary imaging sign +  
Pulmonary infiltrates +   
Pulmonary interstitial high-resolution computed tomography abnormality +   
Pulmonary mycetoma 
Pulmonary nodule +   
Pulmonary oligemia 
Pulmonary opacity +   
Pulmonary pseudocavity 

Synonyms
Definition Sources: PMID:18195376

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