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Related Experiment Videos

Pigmented villonodular synovitis.

William M Mendenhall1, Charles M Mendenhall, John D Reith

  • 1Department of Radiation Oncology, University of Florida College of Medicine, Gainesville, FL 32610-0385, USA. mendewil@shands.ufl.edu

American Journal of Clinical Oncology
|December 7, 2006
PubMed
Summary
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Pigmented villonodular synovitis (PVNS) is a rare condition affecting the synovium. Surgery is optimal, but radiotherapy can improve outcomes for diffuse PVNS with incomplete resection, with a low complication rate.

Area of Science:

  • Orthopedics
  • Oncology
  • Radiology

Background:

  • Pigmented villonodular synovitis (PVNS) is a rare, proliferative disorder of the synovium.
  • Etiology debated: inflammatory process versus benign neoplasm.
  • Affects young to middle-aged adults.

Purpose of the Study:

  • To review the optimal treatment strategies for localized and diffuse pigmented villonodular synovitis (PVNS).
  • To evaluate the efficacy and safety of radiotherapy in managing incompletely resected diffuse PVNS.

Main Methods:

  • Review of surgical outcomes for localized and diffuse PVNS.
  • Analysis of radiotherapy (RT) use, including dosage and fractionation, for PVNS management.
  • Assessment of local recurrence rates and functional outcomes post-treatment.

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Main Results:

  • Marginal excision shows low recurrence for localized PVNS.
  • Open synovectomy has a higher recurrence rate for diffuse PVNS.
  • Radiotherapy (approx. 35 Gy) significantly improves local control and function in incompletely resected diffuse PVNS with low complication probability.

Conclusions:

  • Surgery is the primary treatment for PVNS.
  • Radiotherapy is a valuable adjunct for diffuse PVNS with incomplete resection, offering improved local control and function.
  • Moderate-dose radiotherapy for PVNS demonstrates a low risk of complications.