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在0.55T和1.5T磁力共振成像 (MRI) 之间对前庭神经瘤可视化的比较
Marco Wiesmueller1, Markus Kopp1, Matti Sievert2
1Institute of Radiology, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany.
现代低场0.55特斯拉MRI证明了在内部听觉通道 (IAC) 中评估前庭神经瘤 (VS) 的可行性. 这种低场MRI的诊断性能与标准高场MRI的诊断性能相当,使其成为VS评估的可行选择.
科学领域:
- 放射学 放射学是一门学科.
- 神经学 神经学
- 在瘤学瘤学.
背景情况:
- 静脉神经瘤 (VS) 是主要的内部听道 (IAC) 质量,导致单边的神经神经感应听力损失.
- 标准磁共振成像 (MRI) 用于VS评估使用1.5T和3T领域.
- 对于IAC成像的现代低场MRI的诊断实用性仍未得到充分探索.
研究的目的:
- 为了前性地评估0.55TMRI的图像质量和诊断性能,以评估前置神经瘤 (VS).
- 为了比较低场0.55TMRI的诊断能力与标准的1.5TMRI用于内部听觉通道 (IAC) 成像.
主要方法:
- 五十六名单边VS患者接受了IAC的连续1.5T和0.55TMRI.
- 两位放射科医生独立评估了图像质量,病变明显性,诊断信心和使用利克特尺度的文物.
- 1.5T和0.55T图像的直接比较评估了病变的明显性和诊断信心.
主要成果:
- 横向T1加权和T2加权SPACE序列的图像质量在1.5T和0.55T之间是可比的.
- 冠状管T1加权图像质量在1.5T时优越.
- 两种场强度之间在VS显著性,诊断信心或图像工件方面没有发现显著差异.
结论:
- 现代的0.55T低场核磁共振 (MRI) 提供了足够的诊断图像质量来评估前庭神经瘤 (VS).
- 低场0.55TMRI似乎可用于常规评估内耳通道 (IAC) 中的VS.
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