磁共振T_1WI-3D-FFE成像对原发性面肌痉挛的诊断价值
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摘要
目的分析磁共振T_1WI-3D-FFE序列显示脑池段面神经神经及其周围血管,探讨其在面肌痉挛诊断中的应用价值。方法收集80例临床诊为原发性面肌痉挛患者行T_1WI-3D-FFE序列扫描,评价其显示患侧面神经与责任血管的效果,。结果 80例面肌痉挛患者图像得分2分29例、3分51例,其中患侧发现神经血管压迫77例,阳性率为96. 25%,健侧发现面神经根部存在血管接触或压迫11例,阳性率为13. 75%; MR T_1WI-3D-FFE成像评估面肌痉挛患者神经血管压迫敏感度为87. 3%、特异度为83. 9%。结论 T_1WI-3D-FFE成像能同时显示脑池段面神经周围血管,是诊断面神经血管压迫性病变的可靠方法。
Objective: Analysis of MRI T_1WI-3 D-FFE sequence according to brain pool section of facial nerves and its peripheral blood vessels,explore its value in the diagnosis of hemifacial spasm. Methods: Collecting 80 cases of clinically diagnosed as primary hemifacial spasm patients scanning with T_1WI-3 D-FFE sequence,evaluate its display effect of facial nerves and blood vessels. Results: 80 patients with facial spasm scored 2 points 29 cases,3 points 51 cases,and 77 cases of nerve vascular compression with hemifacial spasm,positive rate was 96. 25%,The contralateral facial nerve roots are found vascular contact or oppression in 11 cases,positive rate was 13. 75%. MR T_1WI-3 D-FFE imaging evaluation of patients with hemifacial spasm nerve vascular compression,the sensitivity was 87. 3% and specificity was 83. 9%. Conclusion: T_1WI-3 D-FFE imaging can also clear display facial nerve of brain pool section and its surrounding blood vessels,is a reliable method for diagnosing facial nerve vascular compression.
Objective: Analysis of MRI T_1WI-3 D-FFE sequence according to brain pool section of facial nerves and its peripheral blood vessels,explore its value in the diagnosis of hemifacial spasm. Methods: Collecting 80 cases of clinically diagnosed as primary hemifacial spasm patients scanning with T_1WI-3 D-FFE sequence,evaluate its display effect of facial nerves and blood vessels. Results: 80 patients with facial spasm scored 2 points 29 cases,3 points 51 cases,and 77 cases of nerve vascular compression with hemifacial spasm,positive rate was 96. 25%,The contralateral facial nerve roots are found vascular contact or oppression in 11 cases,positive rate was 13. 75%. MR T_1WI-3 D-FFE imaging evaluation of patients with hemifacial spasm nerve vascular compression,the sensitivity was 87. 3% and specificity was 83. 9%. Conclusion: T_1WI-3 D-FFE imaging can also clear display facial nerve of brain pool section and its surrounding blood vessels,is a reliable method for diagnosing facial nerve vascular compression.
引文
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[2]Jannetta PJ,Abbasy M,Maroon JC,et al. Etiology and definitive microsurgical treatment of hemifacial spasm:operative techniques and results in 47 patients. J Neurosurg,1977,34:125-127
[3]Loeser JD,Chen J. Hemifacial spasm:treatment bymicrosurgical facial nerve decompression[J]. Neurosurgery,1983,13:141-146
[4]Wilkins RH. Hemifacial spasm:a review[J]. Surg Neurol,1991,36:251-277.
[5]孙文阁,李延亮.三维时间飞跃-扰相梯度回波采集序列和三维快速高级自旋回波对颅神经与邻近血管关系的对比研究[J].中华放射学杂志,2004,38(12):1248-1251.
[6]Campos-Benitez M Kaufmann AM. Neurovascular compression findings in hemifacial spasm[J]. J Neurosurg,2008,109(3):416-420.
[7]黄凯敏.应用力学现象探讨面肌痉挛血管压迫新型分类[D].南华大学,2016.
[8]Lu AY,Yeung JT,Gerrard JL,et al. Hemifacial Spasm and Neurovascular Com-pression[J]. Scien World J,2014,2014(5):741-747.
[9]Mikami T,Minamida Y,Akiyama Y,et al. Microvascular decompression for hemifacial spasm associated with the vertebral artery[J]. Neurosurg Rev,2013,36(2):303-308.
[10]Li CD,Zhu XJ,Sun SL,et al. Effectiveness of application of 3DFIESTA and 3D-TOF-MRA in pre-operative assessment of hemifacial spasm[J]. Chin Med Devices,2015,30(10):67-69.
[11]常英娟,张劲松,赵海涛,等.内耳磁共振水成像技术探讨[J].实用放射学杂志,2002,18:1095-1096.
[12]QI J,XIA S. The application and research status of MRI in different ear diseases. Chin J Magn Reson Imaging,2014,5(Suppl):15-19.