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MRI对明确三叉神经痛患者神经血管关系的诊断意义 被引量:1

Comparative study of MRI and operative results of neurovascular relationship in patients with trigeminal neuralgia
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摘要 目的探讨磁共振对三叉神经痛(Trigeminal neuralgia,TN)患者神经血管关系的诊断价值及可靠性。方法对25例正常对照及25例TN患者三叉神经行三维快速平衡稳态进动(3D-FIESTA)和三维时间飞跃-扰相梯度回波(3DTOF-SPGR)序列成像并多平面重建,分别记录各序列对神经血管关系的诊断结果,其中15例与手术结果对照。结果正常对照组双侧及TN组患侧神经血管接触或压迫的阳性率分别为24%与87.5%,二者差异有统计学意义(P<0.001)。3D-FIESTA对15例TN患者诊断的敏感度、一致率分别为93%与67%,而3DTOF-SPGR分别为67%和60%。结论MRI是显示TN神经血管关系的可靠方法;3D-FIESTA序列对神经血管关系诊断的敏感度及一致率高于3D TOF-SPGR,可作为TN患者的首选序列。 Objective To study the diagnostic value and reliability of MRI in demonstrating neurovascular relationship in patients with trigeminal neuralgia( TN ). Methods Twenty - five volunteers and 25 patients with trigeminal neuralgia underwent 3 - dimension fast imaging employing steady state acquisition ( 3 D - FIESTA) and 3 - dimension time of flight spoiled gradient echo(3D TOF - SPGR) with a 1.5T MR system. The MRI findings of each sequence were recorded, MR findings and operative results in 15 patients were compared. Results Neurovascular contact could be identified in 87.5 % ( 21/24 ) of patients with TN and 24% (12/50) of volunteers. The difference between the two groups was statistically significant ( P 〈 0. 001 ). The sensitivit rates of 3D - FIESTA and 3D TOF - SPGR were 93% and 67% , repectively , and the precision rates were 67% and 60% , respectively. Conclusion MRI is a reliable diagnostic method for patients with TN . 3D - FIESTA has higher specificity and precision in diagnosing neurovascular compression or contact than 3D TOF - SPGR, and it should be the primary MRI sequence for patients with TN.
出处 《武警医学》 CAS 2009年第11期1019-1022,共4页 Medical Journal of the Chinese People's Armed Police Force
关键词 三叉神经 磁共振成像 责任血管 神经成像 Trigeminal nerve Magnetic resonance imagine Responsible vessel Neurography
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参考文献9

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