Pigmented villonodular synovitis (PVNS) is a rare disease, with multiple forms, anatomic sites, and treatment methods having been described. During a 10-year period, 14 patients, 7 male and 7 female, average age 35 years (range, 19 to 64 years) were treated for PVNS with arthroscopic partial or total synovectomy. Average follow-up was 42 months (range, 8 to 83 months). Twelve patients had diffu...
