Pseudoureterocoele
Citation, DOI, disclosures and article data
Citation:
Rezaee A, Niknejad M, Vadera S, et al. Pseudoureterocoele. Reference article, Radiopaedia.org (Accessed on 30 Mar 2025) https://doi.org/10.53347/rID-21515
Permalink:
rID:
21515
Article created:
28 Jan 2013,
Amir Rezaee
Disclosures:
At the time the article was created Amir Rezaee had no recorded disclosures.
View Amir Rezaee's current disclosures
Last revised:
Disclosures:
At the time the article was last revised Mohammad Taghi Niknejad had no financial relationships to ineligible companies to disclose.
View Mohammad Taghi Niknejad's current disclosures
Revisions:
6 times, by
6 contributors -
see full revision history and disclosures
Systems:
Synonyms:
- Pseudoureterocoeles
- Pseudoureteroceles
- Pseudoureterocele
Pseudoureterocoeles are acquired dilatations of the submucosal portion of the distal ureter that mimic simple ureteroceles. The appearance of the radiolucent wall surrounding the dilated distal ureteral segment (cobra head sign) is an important differentiating point.
The distinction is important, since most pseudoureterocoeles were related to malignancy involving the bladder.
In a pseudoureterocoele:
- the lucency or halo is thicker than that of a uterocele and is poorly defined; in cases of tumors, it may be irregular and may show a filling defect within the ureterocele
- there is asymmetry of the dilated ureteral lumen
- there is moderate to severe obstruction of the upper tract
- there is evidence of an acquired cause, such as a calculus or abnormal vesical mucosal pattern
- rarely, thickening of this lucency in a patient with a known ureterocele is usually associated with a complicating process, such as edema with a calculus
References
- 1. Chavhan G. The Cobra Head Sign. Radiology. 2002;225(3):781-2. doi:10.1148/radiol.2253011206
- 2. Thornbury J, Silver T, Vinson R. Ureterocelesvs. Pseudoureuteroceles in Adults. Radiology. 1977;122(1):81-4. doi:10.1148/122.1.81
- 3. Lemaitre G & Desmidt J. [Pseudo-Ureterocele]. J Radiol. 1980;61(3):161-4. PMID 7441607
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