Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

letter

. 2020 Nov 16;27(4):353–357. doi: 10.1016/j.pulmoe.2020.10.010

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

© 2020 Sociedade Portuguesa de Pneumologia. Published by Elsevier España, S.L.U.

Since January 2020 Elsevier has created a COVID-19 resource centre with free information in English and Mandarin on the novel coronavirus COVID-19. The COVID-19 resource centre is hosted on Elsevier Connect, the company's public news and information website. Elsevier hereby grants permission to make all its COVID-19-related research that is available on the COVID-19 resource centre - including this research content - immediately available in PubMed Central and other publicly funded repositories, such as the WHO COVID database with rights for unrestricted research re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for free by Elsevier for as long as the COVID-19 resource centre remains active.

PMC Copyright notice

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).