Hanging noose sign
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At the time the article was created Avni K P Skandhan had no recorded disclosures.View Avni K P Skandhan's current disclosures
At the time the article was last revised Vincent Tatco had no recorded disclosures.View Vincent Tatco's current disclosures
Hanging noose sign in obstetric 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.