色素绒毛结节性滑膜炎是较少见的骨科疾病 ,属于良性疾病 ,但术后复发率高。对此病有效治疗方法的报道甚少。我科曾对 2例色素绒毛结节性滑膜炎术后患者 ,采用放射治疗 ,现报告如下。1　临床资料1 .1　病例 1 ,男性 ,6 0岁。因左膝关节肿胀近 1年伴轻微疼痛 ,曾在当地医院就诊 Pigmented villonodular synovitis is a less common orthopedic disease, is a benign disease, but the recurrence rate is high. There are few reports on the effective treatment of this disease. My department had on 2 cases of villous nodular synovitis postoperative patients, the use of radiation therapy, are as follows. 1 clinical data 1.1 cases 1, male, 60 years old. Swelling left knee nearly 1 year with mild pain, had a local hospital