HSS Journal

, Volume 5, Issue 1, pp 19–23 | Cite as

Treatment of Diffuse Pigmented Villonodular Synovitis of the Knee with Combined Surgical and Radiosynovectomy

  • Wael A. M. NassarEmail author
  • Ayman Abdelaziz Bassiony
  • Hesham A. Elghazaly


Treatment of extensive diffuse pigmented villonodular synovitis (PVNS) of large joints by isolated surgical resection is unsatisfactory, with high rates of local recurrence. Post-synovectomy adjuvant treatment with external beam radiation therapy or intra-articular injection of radioactive material as yttrium-90 (90Y) yielded better results. Between January 2005 and January 2007, 12 patients (eight men and four women aged 19–49 years) with extensive diffuse PVNS of the knee were treated. All patients had an adjuvant post-operative external beam radiation therapy (2,600–3,000 cGy) conventionally fractionated 200 cGy/fraction, five fractions/week, 6–8 weeks after surgery. Mean follow-up time was 27 months (range from 20 to 36 months). All patients were followed up using clinical assessment, magnetic resonance imaging, and plain X-ray. In all patients, neither evidence of disease recurrence nor progression of bone or articular destruction was noted. No complications were noticed after surgery or after post-operative external beam radiation therapy. A combination of debulking surgery using anterior and posterior approach with adjuvant post-operative external beam radiation therapy for extensive diffuse PVNS of the knee joint is a reliable treatment method, with good results in regard to the incidence of local recurrence and functional outcome.


PVN synovitis radiosynovectomy synovectomy 


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Copyright information

© Hospital for Special Surgery 2008

Authors and Affiliations

  • Wael A. M. Nassar
    • 1
    Email author
  • Ayman Abdelaziz Bassiony
    • 1
  • Hesham A. Elghazaly
    • 2
  1. 1.Orthopaedic DepartmentAin Shams University, Demerdash HospitalCairoEgypt
  2. 2.Radiotherapy DepartmentAin Shams University, Demerdash HospitalCairoEgypt

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