• Xingzhi Xie, Zheng Zhong, Wei Zhao, Chao Zheng, Fei Wang, and Jun Liu.
• From the Department of Radiology, The Second Xiangya Hospital, Central South University, No. 139 Middle Renmin Rd, Changsha, Hunan Province, 410011, P.R. China (X.X., W.Z., J.L.); Department of Radiology, Quality Control Center, Changsha, China (J.L.); Department of Radiology, First Hospital of Changsha, China (Z.Z.); Changsha Public Health Treatment Center, Changsha, China (Z.Z.); Department of Radiology, The First People's Hospital of Changde City, Changde, China (C.Z.); and Department of Radiology, The Second People's Hospital of Changde City, Changde, China (F.W.).
• Radiology. 2020 Aug 1; 296 (2): E41-E45.

AbstractSome patients with positive chest CT findings may present with negative results of real-time reverse-transcription polymerase chain reaction (RT-PCR) tests for coronavirus disease 2019 (COVID-19). In this study, the authors present chest CT findings from five patients with COVID-19 infection who had initial negative RT-PCR results. All five patients had typical imaging findings, including ground-glass opacity (five patients) and/or mixed ground-glass opacity and mixed consolidation (two patients). After isolation for presumed COVID-19 pneumonia, all patients were eventually confirmed to have COVID-19 infection by means of repeated swab tests. A combination of repeated swab tests and CT scanning may be helpful for individuals with a high clinical suspicion of COVID-19 infection but negative findings at RT-PCR screening.© RSNA, 2020.

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