Falciform ligament sign

The falciform ligament sign, also called the Silver sign, is characterized by the falciform ligament being outlined with free abdominal gas in cases of pneumoperitoneum of a large amount. 

It is almost never seen in isolation as, if there is enough free gas to outline the falciform ligament, there is usually enough gas to also provide at least a Rigler sign. 

The falciform ligament connects the anterior abdominal wall to the liver. The ligament continues to extend inferiorly beyond the liver where it becomes the round ligament. Given that the falciform ligament is situated against the anterior abdominal wall, it is not surprising that it becomes outlined with free abdominal gas in a supine patient.

See also

Article information

rID: 19615
Section: Signs
Tag: stub, stub, refs
Synonyms or Alternate Spellings:
  • Silvers sign
  • Silver's sign

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Cases and figures

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  • Case 4: on CT
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