Radiation Oncology/Benign/PVNS
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Pigmented Villonodular Synovitis
- Rare proliferative disorder affecting joints, tendons, and bursae
- Presnets as a nodule or a diffuse process of the synovium
- Typically monoarticular
- Young and middle-aged adults
- Not clear whether it is a chronic inflammatory process or a neoplastic process
- Work-up MRI, though presence of hemosiderin may overestimate size of lesion
- Primary treatment is surgical resection, although complete resection may be difficult to obtain
- Adjuvant therapy may include radioactive isotopse (Y90) or external beam RT
- For EBRT, University of Florida review recommends 35 Gy in 14-15 fractions
Review
- University of Florida; 2006 PMID 17148989 -- "Pigmented villonodular synovitis." (Mendenhall WM, Am J Clin Oncol. 2006 Dec;29(6):548-50.)
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