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文献标题:
Synovial fold of the posterior shoulder joint capsule.
参考中文标题:
滑膜倍后肩关节囊。
文献摘要:
PURPOSE: The purpose of the study is to describe, based on shoulder MRI and MR arthrography with arthroscopic correlation, a posterior joint capsule fold. MATERIALS AND METHODS: A retrospective review of 410 shoulder MRIs and direct MR arthrograms with arthroscopic correlation in positive cases (when available) was obtained with IRB approval and HIPPA compliance. The study was performed by three musculoskeletal radiologists. The criteria utilized to establish the diagnosis of posterior synovial fold included: (1) axial T1-weighted (T1W) on MR arthrography or axial T2* GRE-weighted on MRI demonstrating rounded thickening of the posterior shoulder joint capsule with a thickness at least 2 mm in diameter. (2) The posterior synovial fold extends in an oblique craniocaudal direction from the posterior-inferior joint capsule adjacent to the posterior-inferior glenoid labrum (7 o'clock) and continues superiorly away from the glenoid labrum to the posterior-superior joint capsule (11 o'clock). RESULTS: Although uncommon, the posterior synovial fold was present in 2% (8/410) of studies reviewed and found predominantly in women (75%, 6/8). Four patients had arthroscopic confirmation of the posterior synovial fold. A higher percentage of posterior synovial folds were observed on shoulder MR arthrography (2.7%, 4/150) than on shoulder MRI (1.5%, 4/260). CONCLUSION: Although rare, the posterior synovial fold can be recognized and should not be confused with a posterior labral tear. Further investigation is needed to assess its histologic properties and its clinical significance.
参考中文摘要:
目的:研究的目的是描述的基础上,肩膀MRI和MR关节造影与关节镜相关的后关节囊倍。材料与方法:回顾性分析410肩部核磁共振成像和直接问arthrograms与关节镜相关的阳性病例(可用时) ,获得批准的内部评级和HIPPA遵守。这项研究是由三个肌肉骨骼放射。使用的标准,建立诊断后滑膜倍包括: ( 1 )轴向T1加权( T1W )磁共振造影或轴向时刻* GRE考试加权MRI上展示四舍五入增厚后肩关节囊厚度至少2直径。 ( 2 )滑膜倍后延伸的方向倾斜craniocaudal从后下关节囊毗邻后下盂唇( 7点) ,并继续优离的盂唇后,卓越的关节囊( 11点钟) 。结果:虽然少见,后滑膜倍是在2 % ( 8 / 410 )的研究报告进行审查,发现主要是妇女( 75 % , 6月8日) 。 4名患者接受关节镜确认后滑膜倍。比例更高后滑膜皱襞的肩膀观察MR关节造影( 2.7 % , 4 / 150 ) ,而不是承担的MRI ( 1.5 % , 4 / 260 ) 。结论:虽然罕见,滑膜折叠后可以得到承认和不应该混淆了后labral撕裂。需要进一步调查,以评估其组织学特性及其临床意义。
文献作者:
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作者单位:
Department of Radiology, Albany Medical Center, 43 New Scotland Avenue, Albany, NY, 12208, USA, novak.leon@gmail.com.
文献来源:
Skeletal radiology. 38(5):493-8, 2009 May.
NLM刊名:
Skeletal radiology 浏览此刊所有文献
出版国家:
所用语言:
ENG
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PMID及链接:
19183991 http://www.syyxw.com/Archive/Detail/19183991
 
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