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題 名 | Imaging Studies of Two Cases of Trigeminal Neuralgia Caused by a Dolichoectatic Vertebrobasilar System=椎基底動脈擴張導致之三叉神經痛:應用電腦斷層血管攝影及磁振血管攝影診斷之二例病例報告 |
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作 者 | 阮春榮; 陳震宇; 薛俊仁; 徐先和; 秦嗣騏; 李國維; 李重臣; 蕭海松; | 書刊名 | 中華放射線醫學雜誌 |
卷 期 | 24:1 1999.02[民88.02] |
頁 次 | 頁41-45 |
分類號 | 415.2165 |
關鍵詞 | 三叉神經痛; 椎基底動脈; 擴張; 電腦斷層攝影; 血管攝影; 磁振造影; 血管攝影; Trigeminal neuralgia; Vertebrobasilar artery; Dolichoectasia; Computed tomography; CT; Angiography; Magnetic resonance; MR; Angiography; |
語 文 | 英文(English) |
中文摘要 | 兩位罹患因擴張之基底動脈或椎動脈所導致之三叉神經痛之男性分別接受電腦斷層血管攝影或磁振血管攝影之診斷。第一位病患之電腦斷層血管攝發現椎基底動脈明顯擴張、彎曲至右側小腦髓腦角並造成右側第五對腦神經之壓迫。第二位病患不僅在磁振血管攝影顯示出彎曲、擴張之椎動脈,並且清楚的指出第五對腦神經在神經根進入區被壓迫之處。此外,左側後下小腦動脈亦明顯地壓迫第五對腦神經的神經根進入區。對於罹患三叉神經痛的病患,磁振造影合併磁振血管攝影提供絕佳的術前診斷,包括確定並完整地顯示造成神經壓迫的血管,提供致病的血管與被壓迫的神經之間精確的解剖關係,以及排除血管壓迫以外的病因諸如腫瘤。表皮性囊腫,蛛網膜囊腫,以及多發性硬化等。 |
英文摘要 | Two men with trigeminalneuralgia caused by trigeminalnerve compression from thedolichoectatic basilar and vertebralarteries were diagnosed, one by CTA (computed tomograpbicangiography) and the other byM.RA (magnetic resonanceangiography). In one case, CTAshowed marked ectaticvertebrobasilar arteries, whichdeviated to the rightcerebellopontine angle withcompression of the right fifthnerve. In the second case, the rootentry zone (REZ) of the left fifthcranial nerve compressed by theleft tortuous, dolichoectaticvertebral artery and the leftposterior inferior cerebellar artery(PICA) was demonstrated on MRItogether with reconstructed MRA.In a patient with trigeminalneuralgia, MRI combined withreconstructed MRA provides asatisfactory preoperative diagnosisby showing the course of thepathologic vessels and the preciseanatomic relationship between thecausative vessels and thecompressed trigeminal nerve, andby excluding other etiologies suchas tumors, epidermoid cysts,arachnoid cysts and multiplesclerosis. |
本系統中英文摘要資訊取自各篇刊載內容。