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KMID : 1001920100470020134
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Journal of Korean Neurosurgical Society
2010 Volume.47 No. 2 p.134 ~ p.136
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Bow Hunter’s Stroke Caused by a Severe Facet Hypertrophy of C1-2
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Chough Chung-Kee
Boyle C. Cheng
William C. Welch
Park Chun-Kun
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Abstract
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Bow hunter’s stroke is a rare symptomatic vertebrobasilar insufficiency in which vertebral artery (VA) is mechanically occluded during head rotation. Various pathologic conditions have been reported as causes of bow hunter’s stroke. However, bow hunter’s stroke caused by facet hypertrophy of C1-2 has not been reported. A 71-year-old woman presented with symptoms of vertebrobasilar insufficiency. Spine computed tomography showed massive facet hypertrophy on the left side of C1-2 level. A VA angiogram with her head rotated to the right revealed significant stenosis of left VA. C1-2 posterior fixation and fusion was performed to prevent serious neurologic deficit from vertebrobasilar stroke.
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KEYWORD
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Bow hunter’s stroke, Facet joint, Hypertrophy, C1-2 fusion
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