Radiation synovectomy therapy combined with surgical synovectomy in chronic nonspecific synovitis of the knee joint
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Objectives: This study aims to investigate the effectiveness of the radiation synovectomy (RS) procedure combined with the surgical synovectomy in the treatment of chronic nonspecific synovitis, which are resistant to medical treatment. Patients and methods: Between March 2004 and October 2009, 17 knees of the 17 patients (15 males, 2 females; mean age 42.5 years; range 27 to 70 years) who underwent synovectomy surgery, followed by RS procedure with the Y-90 at six weeks were included. At the end of a mean 48.7 months (range; 15-126 months) follow-up period, the Lysholm Knee Scale scores were used for functional assessment before and after RS procedure. The nocturnal pain, resting pain, activity pain and effusion were evaluated with the visual analog scale. The patient satisfaction was recorded as excellent, very good, good and poor. Results: At the end of the follow-up period, all patients had satisfaction scores of excellent and very good. There was a statistically significant difference between all assessment scores before and after treatment (p<0.05). It was found that none of the cases had radionuclide leakage from the joint in their control scintigraphy following RS procedure. No significant complication was seen except for deep vein thrombosis developed in one case. Conclusion: Our study results showed that RS procedure combined with the surgical synovectomy is an effective and safe treatment method for the treatment of cases of chronic nonspecific synovitis which recurs despite medical treatment.