Soft tissue rim sign (ureteric calculus)
Last revised by Tariq Walizai on 6 Aug 2024
Citation, DOI, disclosures and article data
Citation:
Gaillard F, Walizai T, Sharma R, et al. Soft tissue rim sign (ureteric calculus). Reference article, Radiopaedia.org (Accessed on 06 Oct 2024) https://doi.org/10.53347/rID-10394
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rID:
10394
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Disclosures:
At the time the article was created Frank Gaillard had no recorded disclosures.
View Frank Gaillard's current disclosures
Last revised:
6 Aug 2024,
Tariq Walizai
Disclosures:
At the time the article was last revised Tariq Walizai had no financial relationships to ineligible companies to disclose.
View Tariq Walizai's current disclosures
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9 contributors -
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Synonyms:
- Rim sign (of ureteric calculi)
- Soft tissue rim sign
The soft tissue rim sign is used to distinguish a ureteric calculus from a phlebolith. The former appears as a calcific density with a surrounding soft tissue rim, representing the edematous ureteric wall. On the other hand, phleboliths usually have invisible walls (up to 8% may have a soft tissue rim sign 2) but may have a comet tail sign.
This sign may be absent in cases of a larger (>4 mm) and/or ureterovesical calculus 3.
References
- 1. Guest AR, Cohan RH, Korobkin M et-al. Assessment of the clinical utility of the rim and comet-tail signs in differentiating ureteral stones from phleboliths. AJR Am J Roentgenol. 2001;177 (6): 1285-91. AJR Am J Roentgenol (full text) - Pubmed citation
- 2. Heneghan JP, Dalrymple NC, Verga M et-al. Soft-tissue "rim" sign in the diagnosis of ureteral calculi with use of unenhanced helical CT. Radiology. 1997;202 (3): 709-11. Radiology (abstract) - Pubmed citation
- 3. 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
- 4. Lupetin AR, Mainwaring BL, Daffner RH. CT diagnosis of renal artery injury caused by blunt abdominal trauma. AJR Am J Roentgenol. 1989;153 (5): 1065-8. doi:10.2214/ajr.153.5.1065 - Pubmed citation
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Articles:
Cases:
- Ureteric calculus
- Multilocular cystic renal neoplasm of low malignant potential
- Soft tissue rim sign of ureteric calculus
- Acute cholecystitis and ureteric colic
- Duplex renal collecting system with ureteric calculi in upper pole moiety
- Ureteric calculus
- Ureteric calculi
- Soft tissue rim sign - ureteric stone
- Retrocaval ureter
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