使用计算机断层扫描对骨质疏松症的机会性查中的冠状元平面:与轴向和斜面平面的比较
Youngjune Kim1, Changhyun Kim2, Eugene Lee1
1Department of Radiology, Seoul National University Bundang Hospital, 82 Gumi-ro, 173 Beon-Gil, Bundang-Gu, Seongnam-Si, Gyeonggi-Do, 13620, Republic of Korea.
冠状平面与轴心平面和斜面平面一样有效,用于利用计算机断层扫描 (CT) 进行机会性骨质疏松症查. 这些平面可以互换地用于测量骨矿物质密度,有助于骨质疏松症的诊断.
科学领域:
- 放射学 放射学是一门学科.
- 骨质疏松症研究 骨质疏松症研究
- 医学成像分析 医学成像分析
背景情况:
- 骨质疏松症查对于预防骨折至关重要.
- 计算机断层扫描 (CT) 是广泛可用的,为机会性骨质疏松症查提供了潜力.
- 评估骨矿物质密度评估的不同CT平面对于优化诊断准确性至关重要.
研究的目的:
- 用CT来比较冠状平面与轴心平面和角平面的诊断性能,用于骨质疏松症查.
- 通过CT评估测量骨矿物质密度的间平面可靠性.
- 为了确定冠状平面是否可以与其他平面互换地用于骨质疏松症评估.
主要方法:
- 分析了100名年龄≥50岁的患者,同时进行腰椎CT和双能量X射线吸收计 (DXA).
- 骨质疏松症的诊断是基于DXA的结果.
- CT数 (Hounsfield单位) 在冠状,轴向和斜面平面的脊椎体中测量; 计算了接收器操作特征曲线 (AUC) 下的区域和类内相关系数 (ICC).
主要成果:
- 冠状平面 (0.80) 的AUC与轴心 (0.78) 和斜面 (0.78) 平面 (P > 0.05) 并没有显著差异.
- 在平面之间发现了很好的一致性:冠状轴的ICC为0.95,冠状轴的ICC为0.93,冠状轴的ICC为0.93.
- 骨质疏松症的最佳CT数量截止值为110HU (冠状),112HU (轴心) 和112HU (斜骨).
结论:
- 冠状平面表现出通过CT进行机会性骨质疏松症查的可比性诊断性能与轴向和斜面平面相美.
- 冠状,轴状和斜面平面表现出很好的一致性,可以互换地用于骨矿物质密度测量.
- 这表明冠状平面是常规CT扫描中骨质疏松症查的可行选择.
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