Double contour cartilage line
Citation, DOI, disclosures and article data
Citation:
Rezaee A, Knipe H, Double contour cartilage line. Reference article, Radiopaedia.org (Accessed on 13 Mar 2025) https://doi.org/10.53347/rID-44037
Permalink:
rID:
44037
Article created:
4 Apr 2016,
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 Henry Knipe had no recorded disclosures.
View Henry Knipe's current disclosures
Revisions:
2 times, by
2 contributors -
see full revision history and disclosures
Systems:
Sections:
Synonyms:
- Sonographic double contour sign
- Ultrasound double contour sign
The double contour cartilage line is a sonographic sign specific for gout, which is characterized by an echogenic line on the outer surface of the joint cartilage parallel to the subchondral bone secondary to deposition of monosodium urate crystals on the surface of hyaline articular cartilage.
References
- 1. Taljanovic M, Melville D, Gimber L et al. High-Resolution US of Rheumatologic Diseases. Radiographics. 2015;35(7):2026-48. doi:10.1148/rg.2015140250 - Pubmed
- 2. Richette P, Doherty M, Pascual E et al. 2018 Updated European League Against Rheumatism Evidence-Based Recommendations for the Diagnosis of Gout. Ann Rheum Dis. 2020;79(1):31-8. doi:10.1136/annrheumdis-2019-215315 - Pubmed
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