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About: Ground-glass opacity     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:WikicatRadiologicSigns, within Data Space : dbpedia.org associated with source document(s)

Type: yago:Abstraction100002137yago:Clue106643763yago:Communication100033020yago:Evidence106643408yago:Indication106797169diseaseyago:Sign106646243yago:WikicatRadiologicSigns New Facet based on Instances of this Class

Ground-glass opacity (GGO) is a finding seen on chest x-ray (radiograph) or computed tomography (CT) imaging of the lungs. It is typically defined as an area of hazy opacification (x-ray) or increased attenuation (CT) due to air displacement by fluid, airway collapse, fibrosis, or a neoplastic process. When a substance other than air fills an area of the lung it increases that area's density. On both x-ray and CT, this appears more grey or hazy as opposed to the normally dark-appearing lungs. Although it can sometimes be seen in normal lungs, common pathologic causes include infections, interstitial lung disease, and pulmonary edema.