Magnetic resonance imaging changes in periarticular soft tissues during flares of medial compartment knee osteoarthritis. Preliminary study in 10 patients.

Revue du rhumatisme (English ed.) Pub Date : 1999-07-01

X V Pham, I Monteiro, O Judet, J F Sissakian, P Plantin, P Aegerter, J M Le Parc

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Abstract

Objective: To quantify changes in magnetic resonance imaging signals from the deep and superficial capsulo-ligamentous planes and the medial collateral ligament in flares of knee osteoarthritis.

Patients and methods: Preliminary prospective study of ten patients with medial compartment knee osteoarthritis meeting American College of Rheumatology criteria and associated with a Lequesne index of 5 or more. A grid was used to evaluate signal changes as compared to the opposite (asymptomatic) knee. Magnetic resonance images were read independently by two radiologists blinded to clinical data.

Results and discussion: In all ten patients the capsulo-ligamentous planes and medial collateral ligament generated low signal on T1 images and high signal on T2 images. No significant changes were seen in the asymptomatic knee. The evaluation grid produced satisfactory interobserver agreement.

Conclusion: Flares of medial compartment knee osteoarthritis are associated with changes in magnetic signal as compared to the contralateral asymptomatic osteoarthritic knee. The grid developed for this study could be used to evaluate the effects of treatment in a larger number of patients.

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内侧室膝骨关节炎发作时关节周围软组织的磁共振成像变化。10例患者的初步研究。

目的:定量分析膝关节骨性关节炎耀斑的深、浅韧带囊平面和内侧副韧带的磁共振成像信号变化。患者和方法:对10例符合美国风湿病学会标准且Lequesne指数≥5的内侧室膝骨关节炎患者进行初步前瞻性研究。使用网格来评估与对侧(无症状)膝关节相比的信号变化。磁共振图像由两名不了解临床数据的放射科医生独立阅读。结果与讨论:10例患者均在T1低信号和T2高信号表现为韧带囊平面和内侧副韧带。无症状膝关节未见明显变化。评价网格产生了令人满意的观察员间一致意见。结论:与对侧无症状性膝骨关节炎相比，内侧腔室膝骨关节炎的耀斑与磁信号的变化有关。为这项研究开发的网格可以用于评估更多患者的治疗效果。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Revue du rhumatisme (English ed.)

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