TY - JOUR
T1 - Chest CT performance and features of COVID-19 in the region of Abu Dhabi, UAE
T2 - a single institute study
AU - Saeed, Ghufran Aref
AU - Helali, Abeer Ahmed Al
AU - Shah, Asad
AU - Almazrouei, Safaa
AU - Ahmed, Luai A.
N1 - Funding Information:
The authors would like to thank Mr. George Roy, Senior CT radiographer for providing the technical information. We would like also to acknowledge the radiological medical and technical team of the Radiology Department of Sheikh Khalifa Medical City- Abu Dhabi.
Publisher Copyright:
© 2021, The Author(s), under exclusive licence to Springer Nature Singapore Pte Ltd.
PY - 2021/12
Y1 - 2021/12
N2 - Objective: We aim to investigate high-resolution CT features of COVID-19 infection in Abu Dhabi, UAE, and to compare the diagnostic performance of CT scan with RT-PCR test. Methods: Data of consecutive patients who were suspected to have COVID-19 infection and presented to our hospital were collected from March 2, 2020, until April 12, 2020. All patients underwent RT-PCR test; out of which 53.8% had chest CT scan done. Using RT-PCR as a standard reference, the sensitivity and specificity of the CT scan were calculated. We also analyzed the most common imaging findings in patients with positive RT-PCR results. Results: The typical HRCT findings were seen in 50 scans (65.8%) out of total positive ones; 44 (77.2%) with positive RT-PCR results and 6 (31.6%) with negative results. The peripheral disease distribution was seen in 86%, multilobe involvement in 70%, bilateral in 82%, and posterior in 82% of the 50 scans. The ground glass opacities were seen in 50/74 (89.3%) of the positive RT-PCR group. The recognized GGO patterns in these scans were: rounded 50%, linear 38%, and crazy-paving 24%. Using RT-PCR as a standard of reference, chest HRCT scan revealed a sensitivity of 68.8% and specificity of 70%. Conclusion: The commonest HRCT findings in patients with COVID-19 pneumonia were peripheral, posterior, bilateral, multilobe rounded ground-glass opacities. The performance of HRCT scan can vary depending on multiple factors.
AB - Objective: We aim to investigate high-resolution CT features of COVID-19 infection in Abu Dhabi, UAE, and to compare the diagnostic performance of CT scan with RT-PCR test. Methods: Data of consecutive patients who were suspected to have COVID-19 infection and presented to our hospital were collected from March 2, 2020, until April 12, 2020. All patients underwent RT-PCR test; out of which 53.8% had chest CT scan done. Using RT-PCR as a standard reference, the sensitivity and specificity of the CT scan were calculated. We also analyzed the most common imaging findings in patients with positive RT-PCR results. Results: The typical HRCT findings were seen in 50 scans (65.8%) out of total positive ones; 44 (77.2%) with positive RT-PCR results and 6 (31.6%) with negative results. The peripheral disease distribution was seen in 86%, multilobe involvement in 70%, bilateral in 82%, and posterior in 82% of the 50 scans. The ground glass opacities were seen in 50/74 (89.3%) of the positive RT-PCR group. The recognized GGO patterns in these scans were: rounded 50%, linear 38%, and crazy-paving 24%. Using RT-PCR as a standard of reference, chest HRCT scan revealed a sensitivity of 68.8% and specificity of 70%. Conclusion: The commonest HRCT findings in patients with COVID-19 pneumonia were peripheral, posterior, bilateral, multilobe rounded ground-glass opacities. The performance of HRCT scan can vary depending on multiple factors.
KW - COVID-19
KW - Ground glass opacity
KW - HRCT
KW - RT-PCR
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U2 - 10.1007/s42058-021-00075-1
DO - 10.1007/s42058-021-00075-1
M3 - Article
AN - SCOPUS:85127107159
SN - 2520-8985
VL - 4
SP - 248
EP - 256
JO - Chinese Journal of Academic Radiology
JF - Chinese Journal of Academic Radiology
IS - 4
ER -