磁力共振成像上实用形态比率的诊断准确性对于盘状侧半月体的磁力共振成像
Atilla Hikmet Cilengir1, Yasemin Kucukciloglu2, Kazim Ayberk Sinci3
1Faculty of Medicine, Department of Radiology, Izmir Demokrasi University, Izmir, Türkiye. acilengir@gmail.com.
Skeletal radiology
|December 12, 2025
概括
磁力共振成像上的a/b比率准确地识别了 discoid lateral meniscus (DLM),显示出高灵敏度和特异性. 这种实用的测量有助于诊断和手术规划DLM.
科学领域:
- 整形外科 整形外科 整形外科
- 放射学 放射学是一门学科.
- 医疗成像医学成像
背景情况:
- 椎间盘侧半径 (DLM) 是一种先天性异常,可能导致膝盖疼痛和不稳定.
- 准确诊断DLM对于有效的管理和手术规划至关重要.
- 当前的诊断方法在识别所有DLM病例时可能存在局限性.
研究的目的:
- 为了评估新型形态测量MRI比率 (a/b比率) 的诊断准确性,用于识别圆盘侧半月体 (DLM).
- 评估MRI中a/b比测量的可复制性.
- 为了将a/b比率与其他形态参数进行比较,以区分DLM与正常脑膜.
主要方法:
- 一项追溯诊断准确性研究,涉及212名成年膝盖MRI (106名DLM,106名对照).
- a/b比被计算为最短的侧半体宽度除以其从侧脊柱的中间偏移.
- 两个肌肉骨放射科医生的共识MRI诊断作为参考标准;ROC分析用于准确性评估.
主要成果:
- 与对照组 (0.47 ± 0.16; p < 0.001) 相比,DLM组 (3.80 ± 5.4) 的a/b比率显著更高.
- 对a/b比率的切线≥0.764显示出出色的诊断准确性 (AUC0.996),具有100%的灵敏度和96.2%的特异性.
- 对a/b比率测量的观察者间和观察者内部的共识是很好的 (ICC分别为0.935和0.972).
结论:
- a/b比是基于MRI的高度准确,实用和可重复的指标,用于诊断 discoid lateral meniscus (DLM).
- 这一比率可以显著提高常规MRI解释的诊断信心.
- 使用a/b比可以改善DLM患者的术前规划.
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