| 毛存南,王书智,吴前芝,殷信道,卢铃铨,王丽萍,冯敏.磁化传递对比梯度回波T2加权序列用于诊断膝关节损伤[J].中国医学影像技术,2009,25(7):1262~1264 |
| 磁化传递对比梯度回波T2加权序列用于诊断膝关节损伤 |
| Magnetization transfer contrast gradient echo T2WI sequence in the diagnosis of bone contusion of knee joint |
| 投稿时间：2009-02-06 修订日期：2009-04-05 |
| DOI： |
| 中文关键词: 磁共振成像 梯度回波 膝损伤 |
| 英文关键词:Magnetic resonance imaging Gradient echo Knee injuries |
| 基金项目: |
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| 摘要点击次数: 2645 |
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| 中文摘要: |
| 目的 探讨磁化传递对比(MTC)梯度回波T2加权序列(GRE T2WI)在膝关节损伤中的诊断价值。方法 回顾性分析56例膝关节外伤后接受MR检查的病例。所有患者均接受FSE序列T1WI及T2WI矢状面、MTC-GRE T2加权矢状面扫描,分析不同序列显示骨挫伤的大小、范围、信号均匀性、边界,比较不同序列之间的差异。结果 56例骨挫伤病例中,FSE序列T1WI显示43例,T2WI显示45例,MTC-GRE T2WI显示50例。MTC-GRE T2WI显示骨挫伤的大小、边界和敏感性均高于SE序列(P<0.05)。结论 MTC-GRE T2WI对膝关节骨挫伤的显示明显优于FSE序列,具有较高的诊断价值。 |
| 英文摘要: |
| Objective To assess the diagnostic value of magnetization transfer contrast (MTC) gradient echo (GRE) T2WI sequence in bone injury of knee joint. Methods MRI data of 56 patients with knee injury were analyzed retrospectively. All patients underwent SE sequence (sagittal T1WI, T2WI) and sagittal MTC-GRE T2WI sequence. The size, signal intensity and margin of bone contusion with different MRI sequence were analyzed and compared. Results Among 56 patients, 43 and 45 cases were demonstrated on SE T1WI and T2WI, respectively; 50 cases were displayed on MTC-GRE T2WI sequence. The size, border of bone contusions and sensitivity displayed on MTC-GRE T2WI sequence were statistically higher than those on SE sequence (P<0.05). Conclusion MTC-GRE T2WI sequence has great diagnostic value in contusion of knee joint, which is superior to FSE sequence. |
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