双能CT的VNCa技术在军事训练导致急性膝关节骨挫伤诊断中的应用价值

被引:12
作者
黄聪
张恒胜
周兴顺
淦登卫
王文斌
俞祯妮
罗军德
机构
[1] 解放军联勤保障部队第医院医学影像科
关键词
膝关节骨挫伤; 骨髓水肿; 双能CT; 虚拟去钙技术; 核磁共振成像;
D O I
暂无
中图分类号
R687.3 [骨骼手术];
学科分类号
100220 [骨科学];
摘要
目的探讨双能CT虚拟去钙技术(Virtual noncalcium,VNCa)在军事训练导致急性膝关节骨挫伤诊断中的应用价值。方法纳入自2018-12—2019-12军事训练导致的13例膝关节外伤或膝关节疼痛者,所有患者均行MRI与双能CT检查。用双能量CT后处理软件生成VNCa图像,将股骨远端及胫骨近端各分为6个独立区域,将双能CT的VNCa技术检查结果和MRI检查结果进行比较。结果股骨髁及胫骨近端各检查78个独立区域。股骨髁78个区域中,MRI诊断34个区域存在骨挫伤,双能CT的VNCa技术诊断30个区域存在骨挫伤,差异无统计学意义(P>0.05)。胫骨近端78个区域中,MRI诊断51个区域存在骨挫伤,双能CT的VNCa技术诊断46个区域存在骨挫伤,差异无统计学意义(P>0.05)。以MRI诊断结果为标准,双能CT的VNCa技术诊断膝关节骨挫伤的灵敏度为89.4%,特异度为89.8%。结论双能CT的VNCa技术可准确诊断急性膝关节骨挫伤,是一些无法进行MRI检查患者的替代选择。
引用
收藏
页码:412 / 414
页数:3
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