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使用平衡稳定状态自由前行 (bSSFP) 序列对喉瘤进行非对比MRI监测

Kelly Trinh¹, Michael Tang², Claire White-Dzuro³

¹From the Texas Tech University Health Sciences Center (K.T.), Lubbock, Texas.

AJNR. American journal of neuroradiology

|August 9, 2024

概括

使用平衡稳定状态自由先行 (bSSFP) 序列的非对比度MRI (NCMRI) 提供了与对比度增强MRI (CEMRI) 相比较的脑瘤特征. 这种NCMRI方法提供了类似的瘤体积和成分测量,降低了与对比剂相关的风险.

科学领域:

神经辐射学神经辐射学
瘤成像学成像学

背景情况:

与对比度增强的MRI (CEMRI) 是喉瘤监测的标准,但存在过敏反应和加多沉积等风险.
非对比性MRI (NCMRI) 为监测这些瘤提供了一个潜在的更安全的替代方案.

研究的目的:

为了评估NCMRI与平衡稳定状态自由前置 (bSSFP) 序列的疗效,与CEMRI T1加权成像用于膜瘤监测相比.
评估NCMRI是否可以提供与CEMRI相似的诊断信息,最大限度地降低与对比相关的风险.

主要方法:

29名喉瘤患者接受了CEMRI,包括bSSFP序列.
两个失明的神经放射学家比较了NCMRI和CEMRI之间的瘤尺寸,体积和固体/囊性成分.
对瘤涉及骨神经 (CNs) 和血管系统的诊断信心进行了评估.

主要成果:

在NCMRI和CEMRI之间,在残留瘤体积,固体/囊性成分体积或囊数量方面没有发现显著差异.
对CNs II,III和相邻血管的瘤参与的检测率是可比的.
对CN II和血管结构的诊断信心是相似的,但bSSFP改善了CN III的信心,而CEMRI改善了洞腔鼻干涉的信心.

结论:

使用bSSFP序列的NCMRI技术提供了与对比度增强技术相比较的脑瘤特征.
与bSSFP一起的NCMRI是喉瘤监测的可行替代方案,可能降低与对比剂相关的风险.

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