| 徐化凤,王瑞珠,席艳丽,王颖.幼年型特发性关节炎颞下颌关节MRI表现[J].中国医学影像技术,2025,41(4):632~636 |
| 幼年型特发性关节炎颞下颌关节MRI表现 |
| MRI manifestations of temporomandibular joint in juvenile idiopathic arthritis |
| 投稿时间：2024-05-24 修订日期：2025-02-13 |
| DOI：10.13929/j.issn.1003-3289.2025.04.026 |
| 中文关键词: 关节炎,幼年型 颞下颌关节 磁共振成像 |
| 英文关键词:arthritis, juvenile temporomandibular joint magnetic resonance imaging |
| 基金项目: |
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| 中文摘要: |
| 目的 观察幼年特发性关节炎(JIA)累及颞下颌关节(TMJ)MRI表现。方法 回顾性纳入16例接受TMJ MR检查的JIA患儿,记录临床资料,观察MRI炎症域及损伤域表现,根据JIA TMJ MRI评分系统(JAMRIS-TMJ)进行评分。结果 16例中,14例存在TMJ受累相关症状。MRI显示,32个TMJ中,25个(25/32,78.13%)存在1种或多种异常表现,其中12个(12/32,37.50%)可见骨髓水肿,8个(8/32,25.00%)存在关节积液,6个(6/32,18.75%)滑膜增厚,10个(10/32,31.25%)髁突变平,6个(6/32,18.75%)出现骨质侵蚀,2个(2/32,6.25%)关节盘异常;7个TMJ(7/32,21.88%)未见明显异常。4例接受增强MR扫描,8个TMJ中,2个(2/8,25.00%)骨髓增强、4个(4/8,50.00%)滑膜强化。JAMRIS-TMJ评分结果显示,炎症域中,7个(7/32,21.88%)TMJ正常、17个(17/32,53.13%)存在轻度炎症、 8个存在(8/32,25.00%)中/重度炎症;损伤域中, 12个(12/32,37.50%)TMJ正常、14个(14/32,43.75%)轻度损伤、6个(6/32,18.75%)中/重度损伤。结论 JIA累及TMJ常见MRI表现包括关节骨髓水肿、关节积液及髁突变平等。 |
| 英文摘要: |
| Objective To observe MRI manifestations of temporomandibular joint (TMJ) involvement of juvenile idiopathic arthritis (JIA). Methods Sixteen children with JIA who underwent MR examination of TMJ were retrospectively enrolled. Clinical data were collected, MRI manifestations of inflammation domain and damage domain of TMJ were observed, and evaluation based on JIA MRI scoring system for TMJ (JAMRIS-TMJ) was performed. Results Among 16 children with JIA, 14 exhibited symptoms associated with TMJ involvement. One or multiple abnormal MRI manifestations were noticed in 25 (25/32, 78.13%) TMJ, including bone marrow edema in 12 (12/32, 37.50%), effusion in 8 (8/32, 25.00%) and synovial thickening in 6 (6/32, 18.75%), condylar flattening in 10 (10/32, 31.25%), bone erosion in 6 (6/32, 18.75%) and articular disc abnormalities in 2 (2/32, 6.25%) TMJ, while no obvious abnormality was observed in 7 (7/32, 21.88%) TMJ. Among 4 JIA children who underwent enhanced MR scanning, enhanced bone marrow was found in 2 (2/8, 25.00%), while synovial enhancement was observed in 4 (4/8, 50.00%) TMJ. According to JAMRIS-TMJ scoring, for inflammation domain, there were 7(7/32, 21.88%) normal TMJ, 17 (17/32, 53.13%) mild and 8 (8/32, 25.00%) moderate/severe inflammation TMJ, while for damage domain, there were 12 (12/32, 37.50%) normal TMJ, 14(14/32, 43.75%) mild and 6(6/32, 18.75%) moderate/severe damage TMJ. Conclusion MRI manifestations of TMJ involvement of JIA mainly included bone marrow edema, joint effusion, condylar flattening and so on. |
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