Fissure for ligamentum teres sign

Last revised by Craig Hacking on 2 Aug 2021

Citation, DOI, disclosures and article data

Citation:

Klaassen K, Hacking C, Murphy A, Fissure for ligamentum teres sign. Reference article, Radiopaedia.org (Accessed on 25 Apr 2024) https://doi.org/10.53347/rID-60994

DOI:

https://doi.org/10.53347/rID-60994

Permalink:

https://radiopaedia.org/articles/60994

rID:

60994

Article created:

12 Jun 2018, Kassey Klaassen

Disclosures:

At the time the article was created Kassey Klaassen had no recorded disclosures.

View Kassey Klaassen's current disclosures

Last revised:

2 Aug 2021, Craig Hacking ◉ ◈

Disclosures:

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

View Craig Hacking's current disclosures

Revisions:

4 times, by 3 contributors - see full revision history and disclosures

Systems:

Gastrointestinal

Sections:

Signs

Tags:

cases

Synonyms:

extrahepatic ligamentum teres sign

The fissure for ligamentum teres sign or extrahepatic ligamentum teres sign is a radiographic sign of pneumoperitoneum. It represents the outline of the ligamentum teres (remnant of an obliterated left umbilical vein) with free abdominal gas in a supine patient, as seen on a plain abdominal radiograph.