ISSN: 1899-0967
Polish Journal of Radiology
Established by prof. Zygmunt Grudziński in 1926 Sun
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vol. 86
Chest radiology
Original paper

Computed tomography imaging findings in hospitalized patients with coronavirus disease 2019 (COVID‑19): a descriptive study of 81 cases

Armin Zarrintan
Reza Javadrashid
1, 2
Javad Jalili
1, 2
Sakineh Hajebrahimi
Mojtaba Varshochi
Parisa Hajalioghli
1, 2
Batool Seifi
1, 2
Mohammad Mirza-Aghazadeh-Attari
1, 2
Mohammad Kazem Tarzamni
1, 2

Department of Radiology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
Medical Radiation Sciences Research Group, Department of Radiology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
Evidenced based Medicine Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
Department of Infectious Disease, Imam Reza Hospital, Tabriz University of Medical Sciences, Tabriz, Iran
Pol J Radiol 2021; 86: e165-e171
Online publish date: 2021/03/19
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Severe acute respiratory syndrome-coronavirus-2 (SARS-CoV-2) has proven to be a diagnostic challenge. Early studies have shown that computed tomography (CT) imaging may be useful in diagnosis of these patients. We aim to report CT findings in a series of hospitalized patients.

Material and methods
A total of 81 patients were included in this study. All of the patients were hospitalized and had SARS-CoV-2 infection proven by molecular assay. All patients had a CT scan on the first day of admission. Imaging results were reviewed by two separate radiologists, and imaging findings were documented.

Seventy-eight patients had abnormal CT imaging, while 3 had normal CT imaging. The sensitivity of CT in diagnosing coronavirus disease 2019 (COVID19) was estimated to be 96%. The most common imaging finding was ground glass opacities, followed by septal thickening. Most lesions were located at the periphery and posterior of the lungs. Most lesions were multifocal, and involved the right lower lobe more frequently. Chest X-rays were normal in 38 patients, and the sensitivity of chest X-ray in diagnosing SARS-Cov-2 was 54%.

CT scans could be used in diagnosis of patients with a high sensitivity (93%). No common imaging findings may also be seen alongside ground glass opacities, based on the degree of disease progression.


COVID19, CT scan, virus, epidemic

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