Diagnosis of the Coronavirus disease (COVID-19): rRT-PCR or CT?
Elsevier BV --
DOI 10.1016/j.ejrad.2020.108961
  1. GGOs, ground-glass opacities
  2. CT, computed tomographic
  3. HRCT, high-resolution CT
  4. COVID-19, Coronavirus Disease 19
  5. HCT, hematocrit
  6. GLU, glucose
  7. WHO, World Health Organization
  8. ARDS, acute respiratory distress syndrome
  9. rRT-PCR, real-time reverse-transcriptase-polymerase chain reaction
  10. MERS, Middle East Respiratory Syndrome
  11. Severe Acute Respiratory Syndrome
  12. Coronavirus
  13. Pneumonia
  14. Tomography
  15. X-Ray Computed


  • The COVID-19 outbreak highlights the need for early diagnosis, isolation and treatment

  • The sensitivity of the CT was 97.2%, while the sensitivity of initial rRT-PCR was 83.3%.

  • Patients with typical CT findings but negative rRT-PCR results should be isolated.