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Pigmented villonodular synovitis
S M Bravo1, C S Winalski, B N Weissman
1Department of Radiology, Brigham and Women's Hospital, Boston, Massachusetts, USA.
Radiologic Clinics of North America
|March 1, 1996
Summary
Pigmented villonodular synovitis is a benign synovium disorder affecting joints, tendon sheaths, or bursae. This review focuses on its clinical and MR imaging features.
Area of Science:
- Orthopedics
- Radiology
- Pathology
Background:
- Pigmented villonodular synovitis (PVNS) is a benign proliferative disorder of the synovium.
- The exact cause of PVNS remains uncertain.
- PVNS can manifest in joints, tendon sheaths, or bursae, presenting as diffuse disease or localized nodules.
Purpose of the Study:
- To review the clinical features of pigmented villonodular synovitis.
- To detail the imaging characteristics of PVNS.
- To emphasize the findings and diagnostic utility of Magnetic Resonance (MR) imaging for PVNS.
Main Methods:
- Literature review of clinical presentations of PVNS.
- Analysis of imaging findings in PVNS, with a focus on MR imaging.
- Correlation of imaging findings with clinical manifestations.
Main Results:
- PVNS presents with varied clinical symptoms depending on the affected site.
- MR imaging demonstrates characteristic findings aiding in PVNS diagnosis.
- Specific MR sequences highlight synovial proliferation and hemosiderin deposition.
Conclusions:
- Understanding the clinical and imaging features of PVNS is crucial for accurate diagnosis.
- MR imaging is a valuable tool for evaluating PVNS, guiding treatment decisions.
- Further research into the etiology of PVNS may improve management strategies.