書誌事項
- タイトル別名
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- Usefulness of MR imaging for diagnosing rheumatoid arthritis
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説明
Objective: To assess the effectiveness of magnetic resonance imaging (MRI) for the diagnosis of rheumatoid arthritis (RA) in the temporomandibular joint (TMJ), MRI was performed on RA patients with TMJ involvement.<BR>Methods: Six patients (all women) with TMJ involvement, of average age 49.8 years (range 24∼70), who had been serologically or clinically diagnosed with RA by orthopedists, were enrolled. Diagnostic imaging included plain radiography (panoramic radiography and lateral oblique transcranial projection), multisection tomography, and MRI, such as Proton density MRI, T1-weighted MRI and T2-weighted MRI. On each examination, bone changes of the TMJ and soft tissue in the TMJ were evaluated.<BR>Results: MRI showed that 9 of the 12 joints had bone changes, including erosion and osteophyte; disks were invisible in 5 joints; disks were superior to the condyle in 6 joints, and one disk had anterior disk displacement without reduction. On T2-weighted MR images, 5 joints had high signal intensity. Only one joint was suspected of having pannus.<BR>Conclusion: It was concluded that the effectiveness of visualizing bone changes of the TMJ by MRI was similar to that by conventional radiographic examination. MRI also visualized abnormal soft tissue in the TMJ. Thus, MRI might be a useful technique for evaluation in RA patients.
収録刊行物
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- 日本顎関節学会雑誌
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日本顎関節学会雑誌 13 (2), 243-247, 2001
一般社団法人 日本顎関節学会
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詳細情報 詳細情報について
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- CRID
- 1390001204419767168
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- NII論文ID
- 10008983704
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- NII書誌ID
- AN10093617
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- ISSN
- 18844308
- 09153004
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可
