Abstract
Ground-glass opacity (GGO) appears at thin-section CT (TSCT) as hazy increased opacity of the lung, with the preservation of bronchial and vascular margins. It is caused by partial filling of airspaces; interstitial thickening due to fluid, cells, or fibrosis; partial collapse of alveoli; increased capillary blood volume; or combination of these, the common factor being the partial displacement of air [1]. The GGO is less opaque than consolidation, in which bronchovascular margins are obscured (Fig. 20.1).
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Lee, K.S., Han, J., Chung, M.P., Jeong, Y.J. (2014). Ground-Glass Opacity with Reticulation. In: Radiology Illustrated: Chest Radiology. Radiology Illustrated. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-37096-0_20
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