Hanging noose sign
Last revised by Vincent Tatco
on 25 Apr 2019
Citation, DOI, disclosures and article data
Citation:
Skandhan A, Tatco V, Bell D, et al. Hanging noose sign. Reference article, Radiopaedia.org (Accessed on 26 Jan 2025) https://doi.org/10.53347/rID-38509
Permalink:
rID:
38509
Article created:
22 Jul 2015,
Avni K P Skandhan
Disclosures:
At the time the article was created Avni K P Skandhan had no recorded disclosures.
View Avni K P Skandhan's current disclosures
Last revised:
25 Apr 2019,
Vincent Tatco
Disclosures:
At the time the article was last revised Vincent Tatco had no recorded disclosures.
View Vincent Tatco's current disclosures
Revisions:
4 times, by
4 contributors -
see full revision history and disclosures
Systems:
Sections:
Synonyms:
- Hanging noose sign of a true umbilical cord knot
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.
See also
References
- 1. Bisset RAL, Durr-e-sabih. Differential Diagnosis in Obstetrics and Gynecologic Ultrasound. Elsevier Health Sciences. (2013) ISBN:8131236897. Read it at Google Books - Find it at Amazon
- 2. Ramón y Cajal CL, Martínez RO. Four-dimensional ultrasonography of a true knot of the umbilical cord. Am. J. Obstet. Gynecol. 2006;195 (4): 896-8. doi:10.1016/j.ajog.2006.05.044 - Pubmed citation
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