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[Villonodular synovitis of the knee]

J P Monghal, H Dorfmann, M Caroit

    Revue Du Rhumatisme Et Des Maladies Osteo-Articulaires
    |May 1, 1981
    PubMed
    Summary

    Villous nodular synovitis of the knee often presents with mild, delayed symptoms, leading to diagnostic challenges. Arthroscopy and biopsy are key for accurate diagnosis, with synoviorthesis offering potential treatment benefits.

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    Area of Science:

    • Orthopedic Surgery
    • Rheumatology
    • Diagnostic Imaging

    Context:

    • Villous nodular synovitis (VNS) is a rare joint disorder.
    • Diagnosis of VNS can be challenging due to subtle and delayed symptoms.
    • Previous studies highlight the importance of imaging and surgical intervention.

    Purpose:

    • To analyze the clinical presentation, diagnostic methods, and treatment outcomes of 12 knee VNS cases.
    • To evaluate the effectiveness of different diagnostic modalities including arthrography and arthroscopy.
    • To correlate macroscopic appearance with clinical symptoms and treatment response.

    Summary:

    • A study of 12 knee VNS cases showed typical age/sex distribution but a significant delay (1.5 years) from symptom onset to first consultation due to mildness.
    • Diagnosis delay averaged 6 months post-consultation, attributed to diagnostic difficulties.
    • Macroscopic appearance, not lesion extent, correlated with symptoms: villous/sessile VNS caused effusions, while pedunculated VNS caused mechanical symptoms.
    • Plain X-rays were negative; arthrography diagnosed 6/9 cases, but arthroscopy proved superior, enabling direct visualization and biopsy confirmation.
    • Radio-isotopic synoviorthesis showed promising results.

    Impact:

    • Highlights the diagnostic delay in VNS and emphasizes the superiority of arthroscopy for accurate diagnosis.
    • Provides insights into the relationship between VNS morphology and clinical manifestation.
    • Suggests synoviorthesis, particularly radio-isotopic, as a viable treatment option for VNS.

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