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磁共振三维时间飞跃序列成像技术对三叉神经痛的诊断价值 被引量:5

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摘要 目的探讨三叉神经痛患者三叉神经血管压迫的MRI表现及其诊断价值。方法利用磁共振三维时间飞跃(3D-TOF)序列成像技术及图像后处理技术,对58例三叉神经痛患者的MRI表现及手术结果进行回顾性分析。结果(1)58例患者MRI显示症状侧存在责任血管压迫三叉神经49例,桥小脑角肿瘤3例(均由手术证实)。手术发现责任血管压迫三叉神经54例。(2)根据手术结果,MRI诊断三叉神经痛的敏感度和特异度分别为89.7%(52/58)和90.9%(50/55)。6例阴性患者术中5例发现责任血管压迫,阴性符合率为16.7%(1/6)。结论血管压迫三叉神经出脑干段是三叉神经痛的主要病因,3D-TOF成像能清晰显示三叉神经与周围结构的解剖关系,有助于病因诊断、术前评估及指导术中对责任血管的来源及其走向的把握。
出处 《苏州大学学报(医学版)》 CAS 北大核心 2008年第2期300-301,共2页 Suzhou University Journal of Medical Science
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参考文献5

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二级参考文献9

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