Imaging of coronavirus disease 2019 part 7

Preparedness for the radiology department in the prevention and control of COVID-19

In western countries, CT is not considered a screening examination for COVID-19. Due to various factors such as specimen collection technology, kit quality, and the diversity of disease evolution, the false-negative rate of nucleic acid detection is relatively high in China. In the situation of suspected  crowds and limited medical resources, nucleic acid test negative but CT positive (highly suggestive of viral pneunomia) are also listed as medical isolation treatment criteria in China, which is more in line with the actual situation in Wuhan.

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