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. 2020 Oct 1;40(6):1574–1599. doi: 10.1148/rg.2020200149

Figure 14b.

Time course of lung changes in a 59-year-old man with COVID-19 pneumonia evaluated at chest radiography and CT over a 2-month period, which was complicated by development of a pneumothorax. (a–c) AP chest radiographs obtained at hospital admission (a), 4 days later (b), and 1 month later (c) show a peripheral patchy opacity in the left mid lung (oval in a) at the initial assessment, with substantial progression of lung disease on day 4 (b), with development of multiple bilateral peripheral areas of consolidation. The radiograph obtained 1 month later (c) shows interval improvement of the bilateral areas of consolidation and an increase in reticular opacities (dashed arrows in c), with the development of bronchial dilatation (solid arrow in c). Note that at this time the patient had undergone tracheostomy. (d, e) Axial (d) and coronal (e) contrast-enhanced chest CT images, obtained at the same time as c for worsening shortness of breath, show diffuse GGOs associated with superimposed interlobular reticulations, resulting in a crazy-paving pattern (dashed black arrows) and bronchial dilatation (black solid arrows in e). The findings were complicated by the presence of a moderate-sized anterior pneumothorax (white arrows), which was not well appreciated on the plain radiograph (c).

Time course of lung changes in a 59-year-old man with COVID-19 pneumonia evaluated at chest radiography and CT over a 2-month period, which was complicated by development of a pneumothorax. (a–c) AP chest radiographs obtained at hospital admission (a), 4 days later (b), and 1 month later (c) show a peripheral patchy opacity in the left mid lung (oval in a) at the initial assessment, with substantial progression of lung disease on day 4 (b), with development of multiple bilateral peripheral areas of consolidation. The radiograph obtained 1 month later (c) shows interval improvement of the bilateral areas of consolidation and an increase in reticular opacities (dashed arrows in c), with the development of bronchial dilatation (solid arrow in c). Note that at this time the patient had undergone tracheostomy. (d, e) Axial (d) and coronal (e) contrast-enhanced chest CT images, obtained at the same time as c for worsening shortness of breath, show diffuse GGOs associated with superimposed interlobular reticulations, resulting in a crazy-paving pattern (dashed black arrows) and bronchial dilatation (black solid arrows in e). The findings were complicated by the presence of a moderate-sized anterior pneumothorax (white arrows), which was not well appreciated on the plain radiograph (c).