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Comment
. 2021 Jul-Aug;27(4):353-357.
doi: 10.1016/j.pulmoe.2020.10.010. Epub 2020 Nov 16.

Reversibility of venous dilatation and parenchymal changes density in Sars-Cov-2 pneumonia: toward the definition of a peculiar pattern

S Piciucchi  1 , C Ravaglia  2 , A Vizzuso  3 , M Bertocco  3 , V Poletti  4
Affiliations
Comment

Reversibility of venous dilatation and parenchymal changes density in Sars-Cov-2 pneumonia: toward the definition of a peculiar pattern

S Piciucchi et al. Pulmonology. 2021 Jul-Aug.
No abstract available

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Figures

Figure 1
Figure 1
CT scan in supine (a,c) and prone (b,d) position. Some rounded areas of pure ground glass attenuation are present in the right upper lobe (a, upward yellow arrow), middle lobe and lingula. The GG attenuation in right upper lobe, in prone becomes crazy paving and is associated with occurring of an inside vessel enlargement (b, downward yellow arrow). In the right lower lobe a part-solid ground glass attenuation with a coexisting minimal crazy paving pattern, is present beneath the pleura (c; red ellipse) in the apical and postero- basal segments. Some vessel enlargement is present in both lower lobes. In the right lower lobe, the enlargement is both outside and inside the GG attenuation and involves branches of the pulmonary veins (caliber of 4.6 mm). Finally, in the left lower lobe, a nodular consolidation is present, adjacent to the pleura (pink arrow), with a drastic reduction in density with the prone positioning.
Figure 2
Figure 2
CT scan in supine (a, c, e, g) and prone (b, d, f, h) position. Bilateral peripheral ground glass attenuation, with solid component in the right postero-basal segment (red ellipse) and left postero-basal segment of the left lower lobe (yellow ellipse). The density of the attenuation decreases significantly with prone positioning. Vessel enlargement, consisting in venous dilatation, is present in both lower lobes, with a significant reduction in caliber with prone positioning (in the left lower lobe: 3 mm vs 5,4 mm).
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References

    1. Tay M.Z., Poh C.M., Rénia L., MacAry P.A., Ng L.F.P. The trinity of COVID-19: immunity, inflammation and intervention. Nat Rev Immunol. 2020;6:363–374. - PMC - PubMed
    1. Carsana L., Sonzogni A., Nasr A., Rossi R.S., Pellegrinelli A., Zerbi P. Pulmonary post-mortem findings in a series of COVID-19 cases from Northern Italy: a two-Centre descriptive study. Lancet Infect Dis. 2020 S1473-3099(20) 30434-30435. - PMC - PubMed
    1. Ackermann M., Verleden S.E., Kuehnel M., Haverich A., Welte T., Laenger F. Pulmonary Vascular Endothelialitis, Thrombosis, and Angiogenesis in Covid-19. N Engl J Med. 2020;383:120–128. Jul 9. - PMC - PubMed
    1. Tian S., Hu W., Niu L., Liu H., Xu H., Xiao S.Y. Pulmonary Pathology of Early-Phase 2019 Novel Coronavirus (COVID-19) Pneumonia in Two Patients With Lung Cancer. J Thorac Oncol. 2020;15:700–704. - PMC - PubMed
    1. Lang M., Som A., Mendoza D.P., Flores E.J., Reid N., Carey D. Hypoxaemia related to COVID-19: vascular and perfusion abnormalities on dual-energy CT. Lancet Infect Dis. 2020 - PMC - PubMed