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2020 ; 30
(10
): 5470-5478
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Comparison of chest CT findings between COVID-19 pneumonia and other types of
viral pneumonia: a two-center retrospective study
#MMPMID32394279
Li X
; Fang X
; Bian Y
; Lu J
Eur Radiol
2020[Oct]; 30
(10
): 5470-5478
PMID32394279
show ga
OBJECTIVES: To compare the pulmonary chest CT findings of patients with COVID-19
pneumonia with those with other types of viral pneumonia. METHODS: This
retrospective review includes 154 patients with RT-PCR-confirmed COVID-19
pneumonia diagnosed between February 11 and 20, 2020, and 100 patients with other
types of viral pneumonia diagnosed between April 2011 and December 2020 from two
hospitals. High-resolution CT (HRCT) of the chest was performed. Data on
location, distribution, attenuation, maximum lesion range, lobe involvement,
number of lesions, air bronchogram signs, Hilar and mediastinal lymph node
enlargement, and pleural effusion were collected. Associations between imaging
characteristics and COVID-19 pneumonia were analyzed with univariate and
multivariate logistic regression models. RESULTS: A peripheral distribution was
associated with a 13.04-fold risk of COVID-19 pneumonia, compared with a diffuse
distribution. A maximum lesion range >?10 cm was associated with a 9.75-fold risk
of COVID-19 pneumonia, compared with a maximum lesion range ? 5 cm, and the
involvement of 5 lobes was associated with an 8.45-fold risk of COVID-19
pneumonia, compared with a maximum lesion range ? 2. No pleural effusion was
associated with a 3.58-fold risk of COVID-19 pneumonia compared with the presence
of pleural effusion. Hilar and mediastinal lymph node enlargement was associated
with a 2.79-fold risk of COVID-19 pneumonia. CONCLUSION: A peripheral
distribution, a lesion range >?10 cm, involvement of 5 lobes, presence of hilar
and mediastinal lymph node enlargement, and no pleural effusion were
significantly associated with 2019-novel coronavirus pneumonia. KEY POINTS: ? A
peripheral distribution, a lesion range >?10 cm, involvement of 5 lobes, presence
of hilar and mediastinal lymph node enlargement, and no pleural effusion were
significantly associated with COVID-19 compared with other types of viral
pneumonia.