The surgical strategies and clinical efficacy of the treatment on Pigmented Villonodular Synovitis of the Knee

Abstract

Objective To study the surgical strategies and clinical efficacy of the treatment on Pigmented Villonodular Synovitis of the knee. Methods January 1998 - December 2008, 28 patients with pigmented villonodular synovitis of the knee were performed with different surgical treatment methods according to the knee scope and extent of the lesions combine with the postoperative positively radiation therapy and rehabilitation. The characteristics of surgical treatment and the postoperative efficacy were analyzed. Results The patients were followed up 2.0 to 11.0 years;among which, 16 cases underwent Arthroscopic synovectomy, and 1 case recurred during follow-up , who was performed knee Arthroscopic synovectomy again. 7 cases underwent open knee joint synovectomy and 1 case recurred. 6cases were performed total knee replacement; there were no case showed recurrence and the prosthesis of the 6 patients were in good position and no loose cases occurred on the last follow up. Conclusion As the scope of synovium and bone and cartilage destruction involved in varying degrees, the key surgical treatment is to made a correct choice, and combined with postoperative radiotherapy and rehabilitation can reduce the recurrence rate and maximum restore and maintain the knee. Key words: knee; synovitis; pigmented villonodular; surgery treatment