核素扫描单侧骶髂关节炎对评估中轴型脊柱关节炎的诊断价值有限。
Limited diagnostic value of unilateral sacroiliitis in scintigraphy in assessing axial spondyloarthritis.
机构信息
Charité Medical University, Campus Benjamin Franklin, Medical Clinic I, Rheumatology, Hindenburgdamm 30, 12200 Berlin, Germany.
出版信息
J Rheumatol. 2010 Jun;37(6):1200-2. doi: 10.3899/jrheum.091216. Epub 2010 Apr 15.
OBJECTIVE
To assess the diagnostic value for axial spondyloarthritis (SpA) of unilateral sacroiliitis in scintigraphy in daily clinical practice.
METHODS
In 207 patients with chronic back pain, the diagnostic value of scintigraphy was assessed retrospectively. The diagnosis made by the rheumatologist (axial SpA vs no axial SpA) was the standard.
RESULTS
Sensitivities of scintigraphy for any (unilateral or bilateral), bilateral, and isolated unilateral sacroiliitis were 64.9%, 40.2%, and 24.7%, respectively. Respective specificities were 50.5%, 57.7%, and 92.8%, resulting in likelihood ratios of 1.3, 1.0, and 3.4.
CONCLUSION
Scintigraphy of the sacroiliac joints is of limited value for the diagnosis of axial SpA. Unilateral compared to bilateral sacroiliitis is slightly superior, but is associated with a low sensitivity.
目的
评估核素骨扫描在临床实践中单侧骶髂关节炎对轴性脊柱关节炎（SpA）的诊断价值。
方法
回顾性分析 207 例慢性腰痛患者的核素骨扫描结果。以风湿病医师的诊断（轴性 SpA 或无轴性 SpA）为标准。
结果
核素骨扫描对单侧或双侧、双侧及单侧孤立性骶髂关节炎的敏感度分别为 64.9%、40.2%和 24.7%。相应的特异性分别为 50.5%、57.7%和 92.8%，这导致了似然比分别为 1.3、1.0 和 3.4。
结论
核素骨扫描对诊断轴性 SpA 的价值有限。与双侧相比，单侧骶髂关节炎稍具优势，但敏感度较低。
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