Pulmonary opacification is a decrease in the ratio of gas to soft tissue in the lung, which can be seen on chest radiographs or CT scans. It can be diffuse, nodular, or centrilobular in pattern, and can indicate both benign and malignant conditions.
Diffuse opacities show up in multiple lobes of one or both lungs, while nodular GGO that persists over several scans may indicate an underlying condition.
Centrilobular opacities appear within one or several lobules of the lung.
Treatment of GGO depends on the underlying cause, which can be infection or another chronic interstitial disease.
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Pulmonary opacification represents the result of a decrease in the ratio of gas to soft tissue (blood, lung parenchyma and stroma) in the lung. When reviewing an area of increased attenuation (opacification) on a chest radiograph or CT it is vital to determine where the opacification is.
Pulmonary opacification | Radiology Reference Article | Radiopaedia.org
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