PMC7450954_01
Clinical course and chest imaging of Case 1. Chest X-ray on day 7 showed patchy ground-glass opacities and consolidation in the right middle lung field, and CT showed consolidations and ground-glass opacities in the right upper lung. Chest CT on day 17 showed improvement of that shadow, but new lesions had developed.
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Her chest X-ray and CT showed right-sided patchy GGO and consolidation (Fig. 2).
Clinical course and chest imaging of Case 2. Chest X-ray on day 4 showed no abnormal findings, and CT showed patchy ground-glass opacities. Shadows increased on day 10 and slightly improved on day 12.
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Chest X-ray was normal, but CT showed bilateral GGOs (Fig. 3).
Clinical course and chest imaging of Case 3. Chest X-ray on day 6 showed no abnormal shadows, but CT showed patchy subpleural consolidation and ground-glass opacities. Pulmonary shadows had increased on day 12.
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GGOs were found in all lung lobes (Fig. 4).
Clinical course and chest imaging of Case 4. Chest X-ray on admission did not show any abnormal findings, but CT showed patchy ground-glass opacities.
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Admission chest X-ray was normal, but CT showed bilateral GGOs (Fig. 5).
Clinical course and chest imaging of Case 5. Chest X-ray on day 7 showed patchy consolidation in the left lower lung field. CT showed subpleural ground-glass opacities. Pulmonary shadows increased on day 13 and then gradually improved on day 16 and 22.
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PCR testing on day 5 was positive, and she was transferred to our hospital on day 7 (Fig. 6). Chest X-ray showed increased pulmonary shadows (Fig. 6).
Clinical course and chest imaging of Case 6. Chest X-ray showed ground-glass opacities in the right middle and lower lung fields. Chest CT showed patchy GGOs and consolidation.
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Chest CT showed GGOs (Fig. 7).
Clinical course and chest imaging of Case 7. Chest X-ray and CT on day 7 showed no abnormal shadows, but pulmonary infiltration developed on day 17.
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On admission, her chest X-ray and CT showed no abnormal shadows (Fig. 8), and we followed her without antibiotics and antivirals.
Clinical course and chest imaging of Case 8. Broad bilateral consolidation and ground-glass opacities were found on day 11. On day 12, pulmonary shadows decreased and had improved remarkably on day 21.
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CT showed bilateral GGOs (Fig. 9).
Clinical course and chest imaging of Case 9. Chest X-ray on day 8 showed patchy ground-glass opacities in the left middle and lower lung fields. CT showed patchy subpleural ground-glass opacities. Pulmonary shadows gradually improved on days 13 and 19.
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Chest X-ray showed left-sided patchy GGOs, and CT showed patchy bilateral GGOs (Fig. 10).
Clinical course and chest imaging of Case 10. Chest X-ray on day 3 did not show abnormal shadows, but CT detected ground-glass opacities in the left lower lobe.
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Because her symptoms, laboratory data, and radiological findings were mild with patchy GGOs detectable only by CT (Fig. 11), we did not administer antibiotics or antivirals, and she remained in stable condition during hospitalization.