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MRI 特征在颞下颌关节类风湿性关节炎。

MRI characteristics of rheumatoid arthritis in the temporomandibular joint.

机构信息

Department of Oral and Maxillofacial Radiology, Tokyo Medical and Dental University, Tokyo, Japan.

出版信息

Dentomaxillofac Radiol. 2013;42(4):31627230. doi: 10.1259/dmfr/31627230. Epub 2012 Jul 27.

Abstract

OBJECTIVES

The aim of this study was to investigate characteristic MRI findings of rheumatoid arthritis (RA) in the temporomandibular joints (TMJs).

METHODS

61 patients (122 TMJs) with RA in the TMJ and 50 patients (100 TMJs) with temporomandibular disorder (TMD) were included in this study. MR images of these patients were assessed by two oral radiologists for the presence or absence of osseous changes, disc displacement, joint effusion and synovial proliferation. These findings were compared between the two patient groups.

RESULTS

Osseous changes in the condyle and articular eminence/fossa in the RA patient group were significantly more frequent than in the TMD patient group, and were often very severe. Joint effusion was also significantly more frequent in the RA patient group. Synovial proliferation was found in all TMJs in the RA patient group, whereas it was very uncommon in the TMD patient group.

CONCLUSIONS

Severe osseous changes in the condyle and synovial proliferation were considered characteristic MRI findings of RA in the TMJs.

摘要

目的

本研究旨在探讨类风湿关节炎(RA)在颞下颌关节(TMJ)中的特征性 MRI 表现。

方法

本研究纳入了 61 例(122 个 TMJ)TMJ 患有 RA 和 50 例(100 个 TMJ)TMJ 患有颞下颌关节紊乱(TMD)的患者。由两名口腔放射科医生评估这些患者的 MRI 图像,以评估是否存在骨改变、盘移位、关节积液和滑膜增生。比较两组患者的这些发现。

结果

RA 患者组髁突和关节突/窝的骨改变明显比 TMD 患者组更常见,且常非常严重。RA 患者组的关节积液也明显更常见。RA 患者组所有 TMJ 均存在滑膜增生,而 TMD 患者组则非常少见。

结论

髁突严重的骨改变和滑膜增生被认为是 TMJ 中 RA 的特征性 MRI 表现。

相似文献

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MRI characteristics of rheumatoid arthritis in the temporomandibular joint.MRI 特征在颞下颌关节类风湿性关节炎。
Dentomaxillofac Radiol. 2013;42(4):31627230. doi: 10.1259/dmfr/31627230. Epub 2012 Jul 27.

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