| 高莉,肖江喜,蒋学祥.股骨头无菌坏死MRI特征及与平片的对比研究[J].中国医学影像技术,2001,17(6):495~497 |
| 股骨头无菌坏死MRI特征及与平片的对比研究 |
| The MRI Features of AVN of Femoral Head and Comparatively Study |
| 投稿时间：2000-11-16 |
| DOI： |
| 中文关键词: 髋关节 磁共振成像 髋关节,骨坏死 |
| 英文关键词:HIP MRI HIP, necrosis |
| 基金项目: |
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| 中文摘要: |
| 目的 评价MRI对股骨头无菌坏死的诊断价值。方法 53位患者的84个患病髋关节在拍摄X线平片一周内进行MRI 检查。结果 0~Ⅰ期病变共计25个髋关节,在MRI的分类中A类17个, C类8个;Ⅱ期病变共计35个,其中A类17个, C类17个;Ⅲ~Ⅳ期病变共计24个,C类12个, D类7个。共计22个髋关节出现"双线征",其中0~Ⅰ期13个,Ⅱ期9个,Ⅲ~Ⅳ期未见此征象出现;2例病变在常规序列上未见异常,而STIR序列表现为小片状高信号影。结论 MRI与其他方法相比能够更早发现病变, STIR序列对与发现早期病变(0~Ⅰ期)有更高的敏感性。 |
| 英文摘要: |
| Objective The diagnostic value of AVN of MRI were assessed. Methods MR images of 84 hips of 53 patients were obtained within 1 week of plain radiographs. Results Stage 0-Ⅰ lesions were 25 hips, 17 hips of class A, 8 hips of class C; Stage Ⅱ lesions were 35 hips, 17 hips of class A, 17hips of class C; Stage Ⅲ-Ⅳ lesions added up to 24 hips, 12 hips of class C, 7 hips of class D. There were 22 hips displaying "double-line" sign, 3 hips of stage 0-Ⅰ, 9 hips of stage Ⅱ, which were no seen in the stage Ⅲ-Ⅳ. The lesions of two cases are normal in the SE sequence, but are a small patch of high signal intensity in STIR. Conclusion MRI is more early to find lesions than the other techniques. STIR sequence is more sensitive than SE sequence. |
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