Balloon on a string sign (ureter)
Last revised by Daniel J Bell on 16 Oct 2017
Citation, DOI, disclosures and article data
Citation:
Skandhan A, Bell D, Gaillard F, et al. Balloon on a string sign (ureter). Reference article, Radiopaedia.org (Accessed on 19 Mar 2024) https://doi.org/10.53347/rID-25544
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rID:
25544
Article created:
29 Oct 2013,
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:
16 Oct 2017,
Daniel J Bell ◉
Disclosures:
At the time the article was last revised Daniel J Bell had no recorded disclosures.
View Daniel J Bell's current disclosures
Revisions:
4 times, by
4 contributors -
see full revision history and disclosures
Systems:
Sections:
Synonyms:
- Balloon on a string sign - renal
The balloon on a string sign refers to the appearance of the ureter on intravenous urography in ureteropelvic junction obstruction. It is seen due to the high and eccentric point of the exit of ureter from a dilated renal pelvis.
References
- 1. Dyer RB, Chen MY, Zagoria RJ. Classic signs in uroradiology. Radiographics. 2004;24 Suppl 1 (suppl 1): S247-80. Radiographics (full text) - doi:10.1148/rg.24si045509 - Pubmed citation