Trigeminal neuralgia: Evaluation of neuralgic manifestation and site of neurovascular compression with 3D CISS MR imaging and MR angiography
Trigeminal neuralgia: Evaluation of neuralgic manifestation and site of neurovascular compression with 3D CISS MR imaging and MR angiography
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DOI：
10.1148/radiol.2282020439
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发表时间：
2003-08-01
期刊：
影响因子：
19.7
通讯作者：
Sasaki, T
中科院分区：
文献类型：
--
作者：
Yoshino, N;Akimoto, H;Sasaki, T
目的：评估稳态（CISS）磁共振（MR）成像和多平面重建（MPR）磁共振血管造影中的三维（3D）相长干扰，以检测三叉神经痛患者的神经血管压迫（NVC），并评估与三叉神经分支相关的临床症状和与三叉神经部位相关的临床症状之间的关系 材料和方法：使用 1.5-T MR 系统对 54 名连续三叉神经痛患者进行 3D CISS 成像和 MR 血管造影检查。原始横向图像和四个重新格式化图像用于图像解释。确定了根部入口区 (REZ) 与三叉神经的血管接触，并确定了所涉及血管的性质。血管压迫神经的位置分为颅侧、尾侧、内侧或外侧部位。两组间采用chi(2)检验或Fisher精确检验，两组以上采用chi(2)检验进行统计分析。 结果：15例接受手术的患者中，有12例在3D CISS成像和MR血管造影中确认了被认为是责任血管的动脉。在其他三名患者中，静脉是主要血管，仅在 3D CISS 成像中检测到。 18 名有上颌骨分裂相关症状的患者中，有 16 名 (89%) 在 REZ 内侧部位有 NVC，而 21 名有下颌骨分裂相关症状的患者中有 16 名 (76%) 在外侧部位有 NVC（P < .001，chi(2) 检验）。 结论：与 MPR 相比，3D CISS MR 成像可用于检测三叉神经痛患者的 NVC。先生 血管造影。在神经痛表现区域和三叉神经受压部位之间发现了剂量关系。 (C) 北美放射学会，2003 年。
PURPOSE: To evaluate three-dimensional (3D) constructive interference in steady-state (CISS) magnetic resonance (MR) imaging and MR angiography with multiplanar reconstruction (MPR) for detection of neurovascular compression (NVC) in patients with trigeminal neuralgia and to evaluate the relationship between clinical symptoms related to trigeminal branches and those related to the site of trigeminal nerve compression.MATERIALS AND METHODS: Fifty-four consecutive patients with trigminal neuralgia were examined at 3D CISS imaging and MR angiography with a 1.5-T MR system. Original transverse and four reformatted images were used for image interpretation. Vascular contact with the trigeminal nerve at the root entry zone (REZ) was determined, and the nature of the involved vessels was identified. The position of the blood vessel compressing the nerve was classified into cranial, caudal, medial, or lateral sites. Statistical analysis was performed with the chi(2) test or the Fisher exact test between two groups and with the chi(2) test among more than two groups.RESULTS: In 12 of 15 patients who underwent surgery, the artery that was considered a responsible vessel at 3D CISS imaging and MR angiography was confirmed as such. In the other three patients, the vein was the responsible vessel, which was detected only at 3D CISS imaging. Sixteen (89%) of 18 patients with symptoms related to the maxillary division had NVC at the medial site of the REZ, while 16 (76%) of 21 patients with symptoms related to the mandibular division had NVC at the lateral site (P < .001, chi(2) test).CONCLUSION: 3D CISS MR imaging with MPR is useful in the detection of NVC in patients with trigeminal neuralgia, compared with MR angiography. A dose relationship was found between the region of neuralgic manifestation and the site of trigeminal nerve compression. (C) RSNA, 2003.