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Related Experiment Videos

Reactive carpal synovitis: initial experience with MR imaging.

Mohamed S Barakat1, Mark E Schweitzer, William B Morisson

  • 1Department of Radiology, New York University Hospital for Joint Diseases, 301 E 17th St, New York, NY 10003, USA.

Radiology
|July 1, 2005
PubMed
Summary
This summary is machine-generated.

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Magnetic resonance (MR) imaging can help diagnose reactive carpal synovitis. Key indicators include fluid in the pisotriquetral recess, synovial enhancement, and pisotriquetral bone marrow edema.

Area of Science:

  • Radiology
  • Orthopedic Imaging
  • Musculoskeletal MRI

Background:

  • Reactive carpal synovitis diagnosis can be challenging.
  • Accurate imaging is crucial for effective treatment planning.

Purpose of the Study:

  • To evaluate the diagnostic accuracy of various magnetic resonance (MR) imaging findings for reactive carpal synovitis.
  • To identify specific MR imaging features indicative of synovitis in the carpal region.

Main Methods:

  • Retrospective analysis of 35 patients undergoing arthroscopy and MR imaging.
  • Assessment of MR findings: pisotriquetral recess distention, radial/prestyloid recess distention, synovial enhancement, dorsal capsule distention, and bone marrow edema.
  • Statistical analysis including chi-squared and paired t tests, sensitivity, specificity, and predictive values.

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Main Results:

  • Fluid in the pisotriquetral recess showed significant association with synovitis (P = .018).
  • Radial/prestyloid recess distention (P = .027) and synovial enhancement (P = .002) were also significant indicators.
  • Pisotriquetral bone marrow edema was exclusively observed in patients with synovitis.

Conclusions:

  • MR imaging findings of fluid in the pisotriquetral recess and synovial enhancement are valuable for diagnosing reactive carpal synovitis.
  • Pisotriquetral bone marrow edema, though less common, is a specific sign of synovitis.
  • These MR imaging features can aid clinicians in diagnosing this condition.