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박재호,류종걸,김순,전석길,김정만 啓明大學校 醫科大學 1999 계명의대학술지 Vol.18 No.1
Purpose : To evaluate prospectively the possibility of 99m Tc-MDP bone scan to detect early involvement of peripheral joint in rheumatic arthritis. Materials and Methods : 588 joints in 42 patients with rheumatic arthritis, whole body bone scan with 99m Tc-MDP and static bone scan of multiple joints of extremities(Wrist & Ankle) were done. Additionally. in 24 patients with positive rheumatic factor is compared. Results : The overall sensitivity and specificity of bone scan based on physical findings are 76.2% and 85.2%, respectively. The sensitivity and specificity of radiographic finding based on physical findings are 37. 6% and 84%, respectively. In 24 patients with positive rheumatic factor, the sensitivity and specificity of bone scan based on physical findings are 71.7% and 84%, respectively. The sensitivity and specificity of radiographic finding based on physical findings are 54.5% and 87.4% respectively. Conclusion: The bone scintigraphy is more sensitive than radiograph, may antedate the development of physical finding, regardness of positive rheumatic factor. We conclude that bone scintigraphy with 99m Tc-MDP is a valuable tool in the prediction of early joint involvement and evaluation of rheumatic arthritic activity in rheumatic arthritis.