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KMID : 0191120140290020204
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Journal of Korean Medical Science
2014 Volume.29 No. 2 p.204 ~ p.209
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The Role of Bone Scintigraphy in the Diagnosis of Rheumatoid Arthritis According to the 2010 ACR/EULAR Classification Criteria
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Kim Ji-Young
Cho Soo-Kyung
Han Min-Kyung
Choi Yun-Young
Bae Sang-Cheol
Sung Yoon-Kyoung
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Abstract
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We aimed to investigate the role of bone scintigraphy (BS) in the diagnosis of rheumatoid arthritis (RA) as a supplement to the 2010 American College of Rheumatology (ACR)/European League Against Rheumatism (EULAR) criteria. A total of 156 patients who underwent BS with screening laboratory to confirm RA were enrolled. We divided them into two groups according to the presence of arthritis upon the first physical examination, and evaluated the diagnostic validity of BS as an independent (BS only) or assistant diagnostic tool using the 2010 criteria (BS-assisted). Seventy-five patients had active arthritis (Group I), while the remaining 81 patients did not (Group II). Among them, 56 patients in group I and 5 patients in group II were finally classified as RA. In the group I patients who were eligible for application of the 2010 criteria, the sensitivity of the BS only and BS-assisted diagnosis was not superior to that of the 2010 criteria. However, BS-assisted diagnosis showed high positive prediction values in group I patients with 2010 criteria score < 6 and group II patients. Therefore, BS is still helpful to detect RA even after the introduction of the 2010 criteria, especially among patients who do not satisfy the 2010 criteria as well as those who are ineligible for the 2010 criteria due to dubitable arthritis at clinical presentation.
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KEYWORD
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Arthritis, Rheumatoid, 2010 ACR/EULAR Classification Criteria, Bone Scintigraphy
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