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Quantitative CT comparison between COVID-19 and mycoplasma pneumonia suspected as COVID-19: a longitudinal study.
Liu, Junzhong; Wang, Yuzhen; He, Guanghui; Wang, Xinhua; Sun, Minfeng.
  • Liu J; Department of Radiology, Weifang No. 2 People's Hospital, The Second Affiliated Hospital of Weifang Medical University, Weifang City, Shandong Province, China. ljunzhong@sina.com.
  • Wang Y; Department of Medical Imaging, Weifang No. 2 People's Hospital, The Second Affiliated Hospital of Weifang Medical University, 7 Yuanxiao Street, Weifang City, 261041, Shandong Province, People's Republic of China. ljunzhong@sina.com.
  • He G; Department of Radiology, Weifang No. 2 People's Hospital, The Second Affiliated Hospital of Weifang Medical University, Weifang City, Shandong Province, China.
  • Wang X; Department of Interventional Radiology, Weifang No. 2 People's Hospital, The Second Affiliated Hospital of Weifang Medical University, Weifang City, Shandong Province, China.
  • Sun M; Department of Radiology, Weifang No. 2 People's Hospital, The Second Affiliated Hospital of Weifang Medical University, Weifang City, Shandong Province, China.
BMC Med Imaging ; 22(1): 21, 2022 02 06.
Article in English | MEDLINE | ID: covidwho-1666633
ABSTRACT

OBJECTIVE:

The purpose of this study was to compare imaging features between COVID-19 and mycoplasma pneumonia (MP). MATERIALS AND

METHODS:

The data of patients with mild COVID-19 and MP who underwent chest computed tomography (CT) examination from February 1, 2020 to April 17, 2020 were retrospectively analyzed. The Pneumonia-CT-LKM-PP model based on a deep learning algorithm was used to automatically quantify the number, volume, and involved lobes of pulmonary lesions, and longitudinal changes in quantitative parameters were assessed in three CT follow-ups.

RESULTS:

A total of 10 patients with mild COVID-19 and 13 patients with MP were included in this study. There was no difference in lymphocyte counts at baseline between the two groups (1.43 ± 0.45 vs. 1.44 ± 0.50, p = 0.279). C-reactive protein levels were significantly higher in MP group than in COVID-19 group (p < 0.05). The number, volume, and involved lobes of pulmonary lesions reached a peak in 7-14 days in the COVID-19 group, but there was no peak or declining trend over time in the MP group (p < 0.05).

CONCLUSION:

Based on the longitudinal changes of quantitative CT, pulmonary lesions peaked at 7-14 days in patients with COVID-19, and this may be useful to distinguish COVID-19 from MP and evaluate curative effects and prognosis.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: Pneumonia, Mycoplasma / Tomography, X-Ray Computed / COVID-19 Type of study: Cohort study / Diagnostic study / Experimental Studies / Observational study / Prognostic study / Qualitative research / Randomized controlled trials Limits: Adult / Female / Humans / Male / Middle aged Language: English Journal: BMC Med Imaging Journal subject: Diagnostic Imaging Year: 2022 Document Type: Article Affiliation country: S12880-022-00750-4

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Full text: Available Collection: International databases Database: MEDLINE Main subject: Pneumonia, Mycoplasma / Tomography, X-Ray Computed / COVID-19 Type of study: Cohort study / Diagnostic study / Experimental Studies / Observational study / Prognostic study / Qualitative research / Randomized controlled trials Limits: Adult / Female / Humans / Male / Middle aged Language: English Journal: BMC Med Imaging Journal subject: Diagnostic Imaging Year: 2022 Document Type: Article Affiliation country: S12880-022-00750-4