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Skeletal Radiology

, Volume 42, Issue 5, pp 675–680 | Cite as

Elbow MR imaging findings in patients with synovial fringe syndrome

  • Brian C. Ruiz de Luzuriaga
  • Clyde A. Helms
  • Andrzej S. Kosinski
  • Emily N. VinsonEmail author
Scientific Article

Abstract

Objective

To describe imaging findings in patients with synovial fringe (SF) syndrome of the elbow and to compare with a control population.

Materials and methods

Nine patients (5 men, 4 women) whose mean age was 35.7 years were diagnosed with SF syndrome and had undergone preoperative elbow MRI. The radiohumeral (RH) plica was assessed for thickness, cross-sectional area, coverage of one third or more of the radial head, blunting of the free edge, and T2 signal intensity abnormality. Other abnormalities of the RH joint were also assessed, including adjacent articular cartilage defects, subcortical bone marrow signal abnormality in the capitellum, and synovitis. Results were compared with 15 control patients who were asymptomatic laterally and posteriorly.

Results

Mean thickness and cross-sectional area of the RH plica were 1.8 mm and 19.4 mm2 respectively in controls, compared with 2.5 mm and 21.9 mm2 respectively in symptomatic patients. No statistically significant differences in the distribution of the mean thickness or cross-sectional area of the RH plica were found between the two groups. However, 67% of SF syndrome patients had a RH plica thickness greater than 2.6 mm compared with only 13% of controls (p = 0.021). Other abnormalities of the RH plica occurred more frequently in patients with SF syndrome compared with controls, but were not statistically significant.

Conclusion

In patients presenting with posterolateral pain or mechanical symptoms in the elbow, RH plica thickness greater than 2.6 mm on elbow MRI examinations may help identify patients with SF syndrome.

Keywords

Elbow MRI Synovial fringe syndrome Radiohumeral plica 

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Copyright information

© ISS 2012

Authors and Affiliations

  • Brian C. Ruiz de Luzuriaga
    • 1
  • Clyde A. Helms
    • 1
  • Andrzej S. Kosinski
    • 2
  • Emily N. Vinson
    • 1
    Email author
  1. 1.Department of RadiologyDuke University Medical CenterDurhamUSA
  2. 2.Department of Biostatistics and BioinformaticsDuke University Medical CenterDurhamUSA

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