tetano
Editor, Senior Moderator
Korean J Radiol. 2020 Feb 26. doi: 10.3348/kjr.2020.0132. [Epub ahead of print] [h=1]Chest Radiographic and CT Findings of the 2019 Novel Coronavirus Disease (COVID-19): Analysis of Nine Patients Treated in Korea.[/h]
Yoon SH[SUP]1[/SUP], Lee KH[SUP]2[/SUP], Kim JY[SUP]3[/SUP], Lee YK[SUP]4[/SUP], Ko H[SUP]5[/SUP], Kim KH[SUP]6[/SUP], Park CM[SUP]7[/SUP], Kim YH[SUP]8[/SUP].
[h=3]Author information[/h]
[h=3]Abstract[/h] [h=4]OBJECTIVE:[/h] This study presents a preliminary report on the chest radiographic and computed tomography (CT) findings of the 2019 novel coronavirus disease (COVID-19) pneumonia in Korea.
[h=4]MATERIALS AND METHODS:[/h] As part of a multi-institutional collaboration coordinated by the Korean Society of Thoracic Radiology, we collected nine patients with COVID-19 infections who had undergone chest radiography and CT scans. We analyzed the radiographic and CT findings of COVID-19 pneumonia at baseline. Fisher's exact test was used to compare CT findings depending on the shape of pulmonary lesions.
[h=4]RESULTS:[/h] Three of the nine patients (33.3%) had parenchymal abnormalities detected by chest radiography, and most of the abnormalities were peripheral consolidations. Chest CT images showed bilateral involvement in eight of the nine patients, and a unilobar reversed halo sign in the other patient. In total, 77 pulmonary lesions were found, including patchy lesions (39%), large confluent lesions (13%), and small nodular lesions (48%). The peripheral and posterior lung fields were involved in 78% and 67% of the lesions, respectively. The lesions were typically ill-defined and were composed of mixed ground-glass opacities and consolidation or pure ground-glass opacities. Patchy to confluent lesions were primarily distributed in the lower lobes (p = 0.040) and along the pleura (p < 0.001), whereas nodular lesions were primarily distributed along the bronchovascular bundles (p = 0.006).
[h=4]CONCLUSION:[/h] COVID-19 pneumonia in Korea primarily manifested as pure to mixed ground-glass opacities with a patchy to confluent or nodular shape in the bilateral peripheral posterior lungs. A considerable proportion of patients with COVID-19 pneumonia had normal chest radiographs.
Copyright ? 2020 The Korean Society of Radiology.
[h=4]KEYWORDS:[/h] COVID-19; Chest X-ray; Computed tomography; Coronavirus; Pneumonia
PMID: 32100485 DOI: 10.3348/kjr.2020.0132
Yoon SH[SUP]1[/SUP], Lee KH[SUP]2[/SUP], Kim JY[SUP]3[/SUP], Lee YK[SUP]4[/SUP], Ko H[SUP]5[/SUP], Kim KH[SUP]6[/SUP], Park CM[SUP]7[/SUP], Kim YH[SUP]8[/SUP].
[h=3]Author information[/h]
[h=3]Abstract[/h] [h=4]OBJECTIVE:[/h] This study presents a preliminary report on the chest radiographic and computed tomography (CT) findings of the 2019 novel coronavirus disease (COVID-19) pneumonia in Korea.
[h=4]MATERIALS AND METHODS:[/h] As part of a multi-institutional collaboration coordinated by the Korean Society of Thoracic Radiology, we collected nine patients with COVID-19 infections who had undergone chest radiography and CT scans. We analyzed the radiographic and CT findings of COVID-19 pneumonia at baseline. Fisher's exact test was used to compare CT findings depending on the shape of pulmonary lesions.
[h=4]RESULTS:[/h] Three of the nine patients (33.3%) had parenchymal abnormalities detected by chest radiography, and most of the abnormalities were peripheral consolidations. Chest CT images showed bilateral involvement in eight of the nine patients, and a unilobar reversed halo sign in the other patient. In total, 77 pulmonary lesions were found, including patchy lesions (39%), large confluent lesions (13%), and small nodular lesions (48%). The peripheral and posterior lung fields were involved in 78% and 67% of the lesions, respectively. The lesions were typically ill-defined and were composed of mixed ground-glass opacities and consolidation or pure ground-glass opacities. Patchy to confluent lesions were primarily distributed in the lower lobes (p = 0.040) and along the pleura (p < 0.001), whereas nodular lesions were primarily distributed along the bronchovascular bundles (p = 0.006).
[h=4]CONCLUSION:[/h] COVID-19 pneumonia in Korea primarily manifested as pure to mixed ground-glass opacities with a patchy to confluent or nodular shape in the bilateral peripheral posterior lungs. A considerable proportion of patients with COVID-19 pneumonia had normal chest radiographs.
Copyright ? 2020 The Korean Society of Radiology.
[h=4]KEYWORDS:[/h] COVID-19; Chest X-ray; Computed tomography; Coronavirus; Pneumonia
PMID: 32100485 DOI: 10.3348/kjr.2020.0132