Hanging noose sign

Hanging noose sign in obstretric imaging is a rarely described but classical finding of a true umbilical cord knot. It demonstrates a transverse section of the umbilical cord surrounded by a loop of umbilical cord and changes in the pressure of the knot can be demonstrated with the fetal movement on a 4D scan.

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Article information

rID: 38509
System: Obstetrics
Section: Signs
Tag: stub, refs
Synonyms or Alternate Spellings:
  • Hanging noose sign of a true umbilical cord knot

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