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三叉神经痛MRI诊断价值大

2012-04-14 陈蓉 中华放射学杂志

       最近,中山大学附属第一医院放射科的研究人员的一项研究显示,MRI对显示和诊断三叉神经痛病因具有重要意义。MRI全脑常规扫描可以显示或排除肿瘤、炎症等病变。桥小脑角区3D-TOF和3D-TSE扫描可以敏感和准确地显示和明确神经、血管的关系。该研究发表于2012年第1期《中华放射学杂志》。   该研究旨在探讨MRI序列对导致三叉神经痛病变

       最近,中山大学附属第一医院放射科的研究人员的一项研究显示,MRI对显示和诊断三叉神经痛病因具有重要意义。MRI全脑常规扫描可以显示或排除肿瘤、炎症等病变。桥小脑角区3D-TOF和3D-TSE扫描可以敏感和准确地显示和明确神经、血管的关系。该研究发表于2012年第1期《中华放射学杂志》。

  该研究旨在探讨MRI序列对导致三叉神经痛病变的显示能力及诊断价值。

  周宙等研究人员回顾性分析60例三叉神经痛患者临床及MRI资料,与临床手术对照,比较不同序列MRI显示病变能力。所有患者均行常规头部MRI平扫,其中9例行增强扫描,49例行桥小脑角区高分辨3D-TOF和3D-快速SE(TSE)序列扫描。利用x2检验分析3D-TOF和3D-TSE两序列的敏感度、特异度和准确度。

  结果显示,MRI常规平扫及增强扫描显示6例桥小脑区肿瘤、3例三叉神经根及其周围脑膜炎,以及脑干多发硬化斑块及梗死各1例。49例为神经血管压迫所致,与手术对照3D-TOF和3D-TSE序列显示血管压迫的敏感度、特异度、准确度分别为95.3% (41/43)、66.7% (4/6)、91.8% (45/49)和95.6% (43/45)、50.0% (2/4)、91.8% (45/49),两者差异无统计学意义。

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    2012-04-15 贵阳
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