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Egyptian Journal of Radiology and Nuclear Medicine
Fig. 4 | Egyptian Journal of Radiology and Nuclear Medicine

Fig. 4

From: Diagnostic performance of chest CT in differentiating COVID-19 from other causes of ground-glass opacities

Fig. 4

COVID-19 and cryptogenic pneumonia misdiagnosed as COVID-19. a Axial CT image obtained from a 33-year-old man with positive PCR test for COVID-19 shows area of clearing consolidation with central ground-glass density “reversed halo sign” in the right lung. b Cryptogenic organizing pneumonia in a 55-year-old man with history of chest infection not responding to multiple courses of antibiotics; axial CT image shows reversed halo sign in the right lung with small areas of GGO in the left lung. Transbronchial biopsy showed findings of COP

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