International Journal of Radiation Research

en Diagnostic value of ground-glass opacities on computed tomography combined with computed tomography re-examination in patients with suspected novel coronavirus pneumonia Radiation Biology Radiation Biology تحقيق بديع Original Research <div style="text-align: justify;">Background: This study aimed to determine the diagnostic value of ground-glass opacities on computed tomography combined with computed tomography                         re-examination in patients with suspected novel coronavirus pneumonia. Materials and Methods: Suspected cases of novel coronavirus pneumonia were identified retrospectively between January 23 and February 18, 2020. Computed tomography examination was conducted for all patients. For all suspected cases, real-time reverse transcription-polymerase chain reaction detection of novel coronavirus nucleic acid was conducted. Computed tomography re-examination in the short term was also performed. Results: Among 92 patients suspected with novel coronavirus pneumonia, 15 were diagnosed with coronavirus disease 2019. There were ground-glass opacities on chest computed tomography in 34 patients, and 8 of these patients were confirmed to have novel coronavirus pneumonia. In total, 30 patients showed no absorption on computed tomography re-examination, of which 10 (10/30) were diagnosed with novel coronavirus pneumonia. Additionally, 20 patients had non-absorption of lesions when ground-glass opacities on initial and follow-up computed tomography were combined, and 13 of these patients were confirmed to have novel coronavirus pneumonia. For ground-glass opacities on computed tomography combined with non-absorption of lesions on computed tomography re-examination, the sensitivity and specificity for the diagnosis of the novel coronavirus were 86.7% and 90.1%, respectively. Conclusion: Among suspected patients with novel coronavirus pneumonia, combining ground-glass opacities on computed tomography with a computed tomography re-examination might improve the accuracy of diagnosis.</div> COVID-19, tomography, ground-glass opacities, diagnostic tests. 233 238 http://ijrr.com/browse.php?a_code=A-10-1-1033&slc_lang=en&sid=1 T. Li 7900319475328460025398 7900319475328460025398 No Pulmonary and Critical Care Medicine (PCCM) of West China Hospital, Sichuan University (Now The First People’s Hospital of Shuangliu District, Chengdu), No. 37, Guoxue Road, Chengdu, 610200, China W. He 7900319475328460025399 7900319475328460025399 No Pulmonary and Critical Care Medicine (PCCM) of The First People’s Hospital of Shuangliu District, Chengdu, Sichuan, 610200 H. Yin 7900319475328460025400 7900319475328460025400 No Pulmonary and Critical Care Medicine (PCCM) of The First People’s Hospital of Shuangliu District, Chengdu, Sichuan, 610200 G. Zhong 7900319475328460025401 7900319475328460025401 No Orthopedics Department of West China Hospital, Sichuan University (now The First People’s Hospital of Shuangliu District, Chengdu), No. 37, Guoxue Road, Chengdu, 610200, China J. Liu 7900319475328460025402 7900319475328460025402 No Radiology Department of The First People’s Hospital of Shuangliu District, Chengdu, Sichuan, 610200, China F. Ge 7900319475328460025403 7900319475328460025403 No Radiology Department of The First People’s Hospital of Shuangliu District, Chengdu, Sichuan, 610200, China M. Liu 7900319475328460025404 7900319475328460025404 No Radiology Department of The First People’s Hospital of Shuangliu District, Chengdu, Sichuan, 610200, China D. Cheng chengdeyun@sohu.com 7900319475328460025405 7900319475328460025405 Yes Pulmonary and Critical Care Medicine (PCCM) of West China Hospital, Sichuan University No. 37, Guoxue Road, Chengdu, 610200, China