• K Morikawa, N Ohkawa, and S Yamashita.
• Department of Neurosurgery, Hoshigaoka Koseinenkin Hospital.
• No Shinkei Geka. 1993 Nov 1; 21 (11): 1035-8.

AbstractA case of bilateral fenestration of the vertebral artery at the level of the atlas in a patient who had occipital neuralgia and cervical myelopathy is presented. MRI and vertebral angiogram demonstrated the fenestrated vertebral artery compressing the upper cervical cord. Surgical decompression for the C-1 and C-2 sensory roots and the upper cervical cord was performed. Fenestration of the vertebral artery is mostly of no clinical significance. However, considering the pathway of the fenestrated vertebral artery, it is quite possible that the fenestrated vertebral artery might compress the neural structures, resulting in some clinical problems. Although occipital neuralgia may result from a variety of causes, this case was caused by the fenestrated vertebral artery compressing the C-1 and C-2 sensory roots. The authors wish to emphasize that microsurgical vascular decompression may be the only effective treatment in such cases as well as in facial spasm and trigeminal neuralgia.

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