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目的:探讨磁共振T2-mapping检查成人正常膝关节半月板T2值的范围及其差异。方法:对30例健康自愿者膝关节半月板,行常规磁共振(MR)扫描及多回波自旋回波序列T2-mapping检查,观察双侧膝关节各半月板前、后角T2值的正常参考范围,比较膝关节各半月板前、后角T2值。结果:T2-mapping检查得到双侧膝关节半月板前、后角的T2值参考范围,双膝内侧半月板前角与后角、外侧半月板的前角与后角的T2值比较,差异无统计学意义(P>0.05)。结论:初步得出正常人膝关节半月板T2值的参考范围。
Objective: To investigate the range and the difference of T2 value of magnetic resonance T2-mapping in adult normal knee meniscus. Methods: Thirty healthy volunteers were randomly divided into two groups: the normal meniscus of knee joint, routine magnetic resonance (MR) scan and multi-echo spin echo T2-mapping. The normal reference value Range, compare the knee before meniscus, posterior horn T2 value. Results: The T2 reference value of anterior and posterior horn of bilateral knee meniscus was obtained by T2-mapping. There was no significant difference in T2 value between anterior horn and posterior horn of medial meniscus of knee and anterior horn of lateral meniscus and posterior horn Significance (P> 0.05). Conclusion: The reference range of normal meniscus T2 value is obtained.