Claw sign (mass)

Last revised by Mohammad Taghi Niknejad on 18 Oct 2023

Citation, DOI, disclosures and article data

Citation:

Gaillard F, Niknejad M, Rizk M, et al. Claw sign (mass). Reference article, Radiopaedia.org (Accessed on 08 Dec 2023) https://doi.org/10.53347/rID-14016

DOI:

https://doi.org/10.53347/rID-14016

Permalink:

https://radiopaedia.org/articles/14016

rID:

14016

Article created:

15 Jun 2011, Frank Gaillard ◈

Disclosures:

At the time the article was created Frank Gaillard had no recorded disclosures.

View Frank Gaillard's current disclosures

Last revised:

18 Oct 2023, Mohammad Taghi Niknejad ◉

Disclosures:

At the time the article was last revised Mohammad Taghi Niknejad had no financial relationships to ineligible companies to disclose.

View Mohammad Taghi Niknejad's current disclosures

Revisions:

18 times, by 14 contributors - see full revision history and disclosures

Systems:

Central Nervous System, Urogenital

Sections:

Signs

Tags:

refs

Synonyms:

Claw-sign

The claw sign is useful in determining that a mass arises from a solid structure rather than is located adjacent to it and distorts the outline.

It refers to the sharp angles on either side of the mass, which the surrounding normal parenchyma forms when the mass has arisen from the parenchyma. As such, normal parenchyma extends some way around the mass.

Examples where a claw sign is useful include: