Synovitis and bone inflammation in early rheumatoid arthritis: high-resolution multi-pinhole SPECT versus MRI

被引:17
作者
Buchbender, Christian [1 ]
Ostendorf, Benedikt [2 ]
Mattes-Gyoergy, Katalin [1 ]
Miese, Falk
Wittsack, Hans-Joerg [1 ]
Quentin, Michael [1 ]
Specker, Christof [3 ]
Schneider, Matthias [2 ]
Antoch, Gerald [1 ]
Mueller, Hans-Wilhelm
Scherer, Axel [1 ]
机构
[1] Univ Dusseldorf, Fac Med, Dept Diagnost & Intervent Radiol, D-40225 Dusseldorf, Germany
[2] Univ Dusseldorf, Fac Med, Dept Rheumatol, D-40225 Dusseldorf, Germany
[3] Kliniken Essen Sued, Dept Rheumatol & Clin Immunol, Essen, Germany
关键词
EMISSION COMPUTED-TOMOGRAPHY; FINGER JOINTS; PATHOGENESIS; DISEASE; EDEMA;
D O I
10.4261/1305-3825.DIR.5922-12.1
中图分类号
R8 [特种医学]; R445 [影像诊断学];
学科分类号
1002 ; 100207 ; 1009 ;
摘要
PURPOSE We aimed to assess the relationship between bone inflammation in multi-pinhole single-photon emission computed tomography (MPH-SPEC) and synovitis detected by magnetic resonance imaging (MRI) in early rheumatoid arthritis patients. MATERIALS AND METHODS MPH-SPECT with technetium dicarboxypropanedisphosphonate (Tc-99mDPD) and 3 Tesla MRI were performed in 10 early rheumatoid arthritis patients. Eight finder joint sites were assessed for increased osteoblastic activity using visual and region-of-interest (ROI) analysis Presence of joint inflaimmation in MRI was investigated using the subscores of the rheumatoid arthritis MRI score. RESULTS Tc-99mDPD uptake was increased in 38 (47.5%) and 22 (27.5%) joint sites as determined by visual and ROI analysis, respectively. A total of 32 (84.2%) sites with increased bone metabolism showed a normal MRI bone signal. The MPH-SPECT uptake ratio was elevated only in the subgroup with severe synovitis (P < 0.001). CONCLUSION In early rheumatoid arthritis, molecular imaging with MPH-SPECT detects higher rates of inflammatory bone involvement compared to MRI. Our preliminary data-suggest that osteitis is related to severe synovitis.
引用
收藏
页码:20 / 24
页数:5
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