【摘要】 目的三叉神经根部与周围血管关系的临床意义。方法观察脑干薄层3D-TOF扫描的病例150例,MR检查采用SIMENS3.0T磁共振机,使用头部8通道线圈平扫,采用3DTOF扫描程序,扫描参数:TR 23 ms,TE 3.6 ms,翻转角15°,FOV 165×220,层厚1 mm。统计分析了三叉神经痛组69例及无三叉神经痛组81例的三叉神经与周围血管的关系。结果压迫三叉神经及有接触关系的血管有小脑上动脉、小脑前下动脉、基底动脉。原发性三叉神经痛组69例中,表现为压迫关系15例,占21.7%;接触关系47例,占68.1%;无接触关系7例,占10.1%。非三叉神经痛组81例中,表现为接触关系24例,占29.6%;无接触关系57例,占70.4%。经χ2检验,三叉神经痛组与非三叉神经痛间压迫关系、接触关系及无接触关系间均差异有统计学意义(P<0.05)。结论脑干薄层3D-TOF磁共振扫描可清晰显示三叉神经与血管的关系,是指导临床治疗血管压迫三叉神经痛的非常有价值的无创检查,从而为三叉神经痛的病因诊断及临床的治疗提供一定的影像学依据。更多还原

【Abstract】 Objective To evaluate diagnostic value of brainstem 3D-TOF thin scan of magnetic resonance in primary trigeminal neuralgia.Methods Observe 3D-TOF thin scan of magnetic resonance in 150 cases.All studies were performed on SIMENS3.0 T MR imaging system.3D-TOF brainstem thin scan was performed by 8 channel head coils with the following parameters: 23/3.6(repetition time msec/echo time msec),15° flip angle,field of view of 165×220 mm.section thickness of 1mm.The relationship between trigeminal nerve and surroundings blood vessels were analyzed in 69 cases with trigeminal neuralgia and in 81 cases with non trigeminal neuralgia.Results The blood vessels that have compression or contact relationship with trigeminal nerve were inferior cerebellar artery,anterior inferior cerebellar artery and basilar artery.In trigeminal neuralgia group,compression relation was showed in15 cases(15/69,21.7%),contact relation was showed in 47cases(47/69,68.1%),non-contact was showed in 7 cases(7/69,10.1%).In non-trigeminal neuralgia group,contact relation was showed in 24cases(24/81,29.6%),non-contact relation was showed in 57 cases(57/81,70.4%).Compression relation,contact relation and no contact relation of blood vessels and trigeminal nerve have statistics difference(P<0.05) with the χ2 test.Conclusion 3D-TOF brainstem thin scanning showed the clear relationship between trigeminal nerve and blood vessels.It is useful non invasive examination in the detection of relationship between trigeminal nerve and blood vessels for guiding clinical treatment,providing certain imaging of trigeminal neuralgia to clinical treatment and the cause diagnosis.更多还原