Trigeminal Neuralgia Caused by a Persistent Primitive Trigeminal Artery Variant and Superior Cerebellar Artery

DOI Web Site 参考文献9件
  • Miki Kenji
    Department of Neurosurgery, Aso Iizuka Hospital, Iizuka, Fukuoka, Japan
  • Natori Yoshihiro
    Department of Neurosurgery, Aso Iizuka Hospital, Iizuka, Fukuoka, Japan
  • Mori Megumu
    Department of Neurosurgery, Aso Iizuka Hospital, Iizuka, Fukuoka, Japan
  • Kai Yasutoshi
    Department of Neurosurgery, Aso Iizuka Hospital, Iizuka, Fukuoka, Japan
  • Yamada Tetsuhisa
    Department of Neurosurgery, Aso Iizuka Hospital, Iizuka, Fukuoka, Japan
  • Noguchi Naoki
    Department of Neurosurgery, Aso Iizuka Hospital, Iizuka, Fukuoka, Japan

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<p>Trigeminal neuralgia is caused by compression of the trigeminal nerve by arteries or veins in the posterior fossa. A persistent primitive trigeminal artery variant (PPTAv) is an anomalous artery that may cause trigeminal neuralgia. A 65-year-old man presented with left facial pain. Brain magnetic resonance imaging revealed a PPTAv. Constructive interference in steady state showed that both the PPTAv and the superior cerebellar artery (SCA) compressed the trigeminal nerve. Thus, we performed microvascular decompression and the patient’s symptoms improved. PPTAv is a rare anomaly in the posterior fossa that can cause trigeminal neuralgia. Dual compression of the trigeminal nerve by the SCA and PPTAv demonstrates that trigeminal neuralgia may originate from multiple sources. It is therefore important to check preoperative images to adequately treat trigeminal neuralgia.</p>

収録刊行物

  • NMC Case Report Journal

    NMC Case Report Journal 6 (4), 101-103, 2019

    一般社団法人 日本脳神経外科学会

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