Crow feet sign (round atelectasis)

Last revised by Craig Hacking ◉ ◈ on 23 Apr 2020

Citation, DOI, disclosures and article data

Citation:

Venkatesh M, Hacking C, Bickle I, et al. Crow feet sign (round atelectasis). Reference article, Radiopaedia.org (Accessed on 29 Sep 2023) https://doi.org/10.53347/rID-31124

DOI:

https://doi.org/10.53347/rID-31124

Permalink:

https://radiopaedia.org/articles/31124

rID:

31124

Article created:

20 Sep 2014, Manchikanti Venkatesh

Disclosures:

At the time the article was created Manchikanti Venkatesh had no recorded disclosures.

View Manchikanti Venkatesh's current disclosures

Last revised:

23 Apr 2020, Craig Hacking ◉ ◈

Disclosures:

At the time the article was last revised Craig Hacking had no recorded disclosures.

View Craig Hacking's current disclosures

Revisions:

8 times, by 7 contributors - see full revision history and disclosures

Systems:

Chest

Sections:

Signs

Tags:

cases

Synonyms:

Crows feet bands
Crow foot sign
Crow's feet sign

Crow feet sign is a characteristic, but uncommon, feature seen in round atelectasis.

On CT, this is seen as linear bands radiating from a mass into adjacent lung tissue resembling the feet of a crow. This sign should not be confused with fibrotic changes occurring in the lung.