| 戴景儒,庞军,戴世鹏,桂林,张云亭.磁共振SPIR-3D-FFE-T1WI序列对膝关节早期剥脱性骨软骨炎的临床研究[J].中国医学影像技术,2007,23(6):909~912 |
| 磁共振SPIR-3D-FFE-T1WI序列对膝关节早期剥脱性骨软骨炎的临床研究 |
| SPIR-3D-FFE-T1WI sequence in diagnosis of early osteochondritis dissecans in the knee |
| 投稿时间：2007-02-27 修订日期：2007-06-08 |
| DOI： |
| 中文关键词: 剥脱性骨软骨炎 膝关节 磁共振成像 |
| 英文关键词:Osteochondritis dissecans Knees Magnetic resonance imaging |
| 基金项目: |
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| 中文摘要: |
| 目的 研究磁共振脂肪抑制三维梯度回波T1WI序列(SPIR-3D-FFE-T1WI)对早期膝关节剥脱性骨软骨炎诊断的能力,为剥脱性骨软骨炎的临床诊断和治疗提供可靠的影像学依据。方法 回顾性分析100例经膝关节镜及临床随访证实的膝关节剥脱性骨软骨炎MRI影像资料。评价剥脱性骨软骨炎的MRI特点。结果 100例膝关节剥脱性骨软骨炎患者MR检查结果:SPIR-3D-FFE-T1WI序列敏感性为91.4%,特异性为97%。结论 SPIR-3D-FFE-T1WI序列有利于膝关节剥脱性骨软骨炎的早期诊断。剥脱性骨软骨炎软骨病损的三维成像有利于临床术前对重度膝关节软骨损伤进行立体定位诊断。 |
| 英文摘要: |
| Objective To study the efficacy of spectral presaturation inversion recovery three-dimensional fast field echo T1-weighted imaging (SPIR-3D-FFE-T1WI) sequence in the detection of early osteochondritis dissecans in the knee. Methods One hundred patients with osteochondritis dissecans in the knee proved by arthroscopy and clinic performed MR examination with SPIR-3D-FFE-T1WI sequence. MR imaging features were evaluated. Results The sensitivity, specificity of SPIR-3D-FFE-T1WI sequence were 91.4% and 97%, respectively. Conclusion SPIR-3D-FFE-T1WI sequence is helpful for diagnosing early osteochondritis dissecans in the knee. Three-dimensional reconstruction of articular cartilage injury of osteochondritis dissecans is helpful to make sure the location of the lesions. |
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