MRI3D-CISS序列在三叉神经痛相关疾病中的应用价值

摘要

目的 探讨磁共振三维稳态进动结构相干(3D-CISS)序列在三叉神经痛相关疾病中的应用价值.方法 回顾性分析62例以三叉神经痛为主要症状患者的颅脑MRI常规序列和3D-CISS序列图像,其中12例加做增强扫描,对比分析MRI 3D-CISS序列和常规平扫序列对三叉神经相关病变(主要包括三叉神经脑池段周围血管压迫或推移、实性肿瘤和肿瘤样病变)的显示情况,并与手术结果对照.结果 手术探查48例发现责任血管;术前MR1 3D-CISS序列诊断三叉神经脑池段周围血管压迫或推移46例,3D-CISS序列显示与手术探查符合率达95.83％;常规序列无法显示三叉神经脑池段周围血管压迫或推移.3D-CISS序列显示实性肿瘤8例,常规平扫序列显示实性肿瘤6例.肿瘤样病变6例于MRI 3D-CISS序列和常规平扫序列均得到显示.3D-CISS序列对三叉神经痛相关疾病诊断的敏感度(96.77％)显著高于MRI常规平扫序列(19.35％),差异有统计学意义(P＜0.01).结论 MRI 3D-CISS序列对三叉神经痛相关疾病诊断的敏感度高,对术前评估有重要意义,值得临床推广应用.%Objective To explore 3D constructive interference insteady state sequence value of related diseases in trigeminal neuralgia.Methods A retrospective analysis of 62 cases of trigeminal neuralgia as the main symptoms of patients with brain magnetic resonance imaging (MRI) routine scan and 3D constructive interference insteady state (3D-CISS) sequence images,of which 12 cases were enhanced scan,comparative analysis of MRI 3D-CISS sequence and conventional sequence of trigeminal nerve.The lesion showed the condition and was compared with the outcome of the operation.Trigeminal neuralgia-related lesions mainly included the trigeminal nerve brain pool around the vascular compression or transition,solid tumors and tumor-like lesions.Results Preoperative MRI 3D-CISS sequence was used to diagnose the vascular compression or metastasis of the trigeminal nerve pool segment in 46 cases.Forty-five patients were found to be responsible blood vessels.The 3D-CISS sequence showed 95.83％ coincidence with surgical exploration.The routine sequence could not show the trigeminal The brain around the brain was forced or pushed.3D-CISS sequence showed eight cases of solid tumors,routine scan showed six cases of solid tumors.Tumor-like lesions were shown in 6 cases of MRI3D-CISS sequences and routine plain scan sequences.The sensitivity of 3D-CISS sequence to trigeminal neuralgia-related disease was 96.77％,and the sensitivity of MRI routine scan to trigeminal neuralgia was only 19.35％.There was significant difference in the sensitivity of 3D-CISS sequence and conventional plain scan sequence to trigeminal neuralgia-related diseases (P ＜ 0.01).Conclusions MRI 3D-CISS sequence has a significant advantage in trigeminal neuralgia-related disease,and patients with trigeminal neuralgia should routinely use 3D-CISS sequences.