| 陈彦博,李永,曾钢,等.术前磁共振评估距骨软骨损伤范围的准确性研究.骨科,2022,13(3): 229-232,236. |
| 术前磁共振评估距骨软骨损伤范围的准确性研究 |
| Accuracy of Magnetic Resonance Imaging in the Assessment of Osteochondral Lesions of the Talus |
| 投稿时间：2022-03-16 |
| DOI：10.3969/j.issn.1674-8573.2022.03.007 |
| 中文关键词: 距骨软骨损伤 病灶大小 磁共振 准确性 |
| 英文关键词: Osteochondral lesions of the talus Lesion size Magnetic resonance imaging Accuracy |
| 基金项目:广东省医学科研基金（A2021280）；广东省自然科学基金（2022A1515012334）；逸仙临床研究培育项目（SYS-Q-202105，SYS-Q-202202）；逸仙科研启航项目（YXQH202202，YXQH202213） |
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| 中文摘要: |
| 目的 探讨术前MRI评估距骨软骨损伤病灶范围的准确性。方法 纳入我院2020年1月至2021年6月的40例术前行MRI检查并接受手术治疗的距骨软骨损伤病人，通过测量术前MRI和术中损伤病灶的冠状面最长径和矢状面最长径，计算其面积，并比较术前MRI和术中测量数据的差异。结果 术前MRI测量的距骨软骨损伤病灶矢状面最长径、冠状面最长径、面积均大于术中测量数据［（13.3±3.8） mm vs. （9.4±3.9） mm，（9.0±2.5） mm vs.（5.2±2.1） mm，（96.5±45.8） mm2 vs. （41.8±29.3） mm2，P＜0.05］。术前MRI评估与术中评估一致率为60%（24/40），术前MRI过度评估率为35%（14/40），术前MRI评估不足率为5%（2/40）。结论 与术中测量相比，MRI用于术前评估距骨软骨损伤病灶准确性较低，容易出现过度评估。 |
| 英文摘要: |
| Objective To evaluate the accuracy of preoperative magnetic resonance imaging (MRI) in evaluating the osteochondral lesions of the talus (OLTs). Methods Totally, 40 patients with OLTs who underwent preoperative MRI examination and surgical treatment in our hospital from January 2020 to June 2021 were enrolled in this study. The longest diameters of coronal plane and sagittal plane of the lesion were measured by preoperative MRI and intraoperative MRI, and their area was calculated to compare the difference between preoperative MRI and intraoperative measurement data. Results The longest diameter of sagittal plane, coronal plane and area of OLTs measured by preoperative MRI were larger than the intraoperative data ［(13.3±3.8) mm vs. (9.4±3.9) mm, (9.0±2.5) mm vs. (5.2±2.1) mm, (96.5±45.8) mm2 vs. (41.8±29.3) mm2, P＜0.05］. The consistency rate between preoperative MRI assessment and intraoperative assessment was 60% (24/40). The proportion of over-assessment was 35% (14/40), while the proportion of under-assessment was 5% (2/40). Conclusion Compared with intraoperative measurement, MRI is less accurate in preoperative evaluation of OLTs, and is prone to over-assessment. |
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