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. 2021 Oct 19;144:110002. doi: 10.1016/j.ejrad.2021.110002

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Fig. 3 — CT scans of non-COVID-19 atypical pneumonia misinterpreted as COVID-19 pneumonia (a) Only CT scan misdiagnosed by all five radiologists: 52-year-old man with influenza A pneumonia, 7 days after symptom onset, showing subpleural curvilinear lines (arrows). (b, c) Examples misdiagnosed by four of five radiologists: (b) 66-year-old woman with CMV-pneumonia, 3 days after symptom onset, with ground glass opacities and peripheral crazy paving (arrow), (c) 57-year-old man with influenza A H1N1 pneumonia, 20 days after symptom onset, demonstrating extensive, mostly subpleural ground glass opacities. (d) Example misdiagnosed from three of five radiologists: 50-year-old-man with RSV B pneumonia, 2 days after symptom onset, with solitary rounded ground glass opacity in left upper lobe (arrow). Note the complete atelectasis of the left lower lobe.