超短和零回声时间的MRI序列MSK调查:一个范围审查
L Ferrari1, T Bianchi1, M Champendal2
1Department of Radiology, Hospital of Sion, Avenue Du Grand-Champsec 80, 1950, Sion, Switzerland.
Radiography (London, England : 1995)
|January 31, 2026
概括
超短 (UTE) 和零回声时间 (ZTE) 的MRI序列显示出肌肉骨成像的前景,提供皮层骨和骨折的无辐射可视化. 虽然获取时间是一个限制,但这些技术可以提高MRI检查中的骨折评估.
科学领域:
- 肌肉骨成像系统的成像
- 放射学 放射学是一门学科.
- 医学物理 医学物理
背景情况:
- 磁共振成像 (MRI) 由于低质子密度和短衰变时间,难以可视化皮质骨.
- 超短回声时间 (UTE) 和零回声时间 (ZTE) 序列为骨成像提供无辐射替代方案.
- 本综述确定了UTE和ZTE在肌肉骨 (MSK) 成像中的关键技术参数,好处和缺点.
研究的目的:
- 审查UTE和ZTE序列用于MSK成像的技术参数,优势和局限性.
- 评估UTE和ZTE在可视化皮质骨和改善骨折检测方面的潜力.
- 综合目前关于UTE和ZTE在MSKMRI中的应用的证据.
主要方法:
- 在MEDLINE,EMBASE和CINAHL数据库的系统文献搜索 (2005年以后).
- 包括法语和英语文章,使用与UTE,ZTE,MRI和MSK相关的关键词.
- 两个独立审稿人对标题,摘要和全文进行选,对不同意见达成共识.
主要成果:
- 18篇文章符合纳入标准,重点是脊柱,下肢,头部/部,一般骨和肩膀成像.
- UTE和ZTE使用辐射采集,回声时间非常短 (0.00-0.34毫秒) 和不同的重复时间 (0.425-1075毫秒).
- 这些序列提供了增强的皮质骨信号和骨折对比度,与CT相比,采集时间为3-12分钟;采集时间是一个明显的缺点.
结论:
- 对于MSK应用,UTE和ZTE序列是有效的,为皮质骨评估提供了良好的对比度.
- 这些无辐射技术可以改善MSKMRI中的骨折评估.
- 未来的研究应该探索人工智能,以提高图像质量和减少UTE/ZTE获取时间.
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