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Journal of Korean Neurosurgical Society 1993;22(5): 672-676.
Trigeminal Neuralgia Caused by a Tortuous and Dilated Vertebral Artery.
Seung Gi Kim, Sang Hyung Lee, Woong Kyu Jang, Dong Gyu Kim, Dae Hee Han
Department of Neurosurgery, Seoul National University College of Medicine, Seoul, Korea.
The authors present a 67-year-old man who developed trigeminal neuralia caused by a dolichoectatic vertebrobasilar artery. Brain magnetic resonance imaging showed a tubular structure traversed the anterior surface of the sbrainstem, which compressed the left ven trilateral pons in the region of the trigeminal root entry zone. Vertebral angiography demonstrated a tortuous dilated vertebrobasilar artery. Microvascular decompression of the trigeminal nerve from the dolichoectatic vertebral artery and simultaneous selective trigeminal rhizotomy were performed. Postoperatively, the patient was relieved of pain but suffered a hearing deficit in the ipsilateral side.
Key Words: Trigeminal neuralgia; Dolichoectasia; Vertebrobasilar artery
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