Resolution of Isolated Unilateral Hypoglossal Nerve Palsy Following Microvascular Decompression of the Intracranial Vertebral Artery

Title
Resolution of Isolated Unilateral Hypoglossal Nerve Palsy Following Microvascular Decompression of the Intracranial Vertebral Artery
Author
정진환
Keywords
Hypoglossal nerve paresis; Microvascular decompression; Vertebral artery
Issue Date
2011-03
Publisher
Korean Neurosurgical SOC
Citation
Journal of Korean Neurosurgical Society, 2011 49(3), P.167-170
Abstract
Isolated hypoglossal nerve paresis due to mechanical compression from a vascular lesion is very rare. We present a case of a 32-year-old man who presented with spontaneous abrupt-onset dysarthria, swallowing difficulty and left-sided tongue atrophy. Brain computed tomographic angiography and magnetic resonance imaging of the brainstem demonstrated an abnormal course of the left vertebral artery compressing the medulla oblongata at the exit zone of the hypoglossal rootlets that was relieved by microvascular decompression of the offending intracranial vertebral artery. This case supports the hypothesis that hypoglossal nerve palsy can be due to nerve stretching and compression by a pulsating normal vertebral artery. Microvascular decompression of the intracranial nerve and careful evaluation of the imaging studies can resolve unexpected isolated hypoglossal nerve palsy.
URI
https://www.jkns.or.kr/journal/view.php?doi=10.3340/jkns.2011.49.3.167
ISSN
2005-3711
DOI
10.3340/jkns.2011.49.3.167
Appears in Collections:
COLLEGE OF MEDICINE[S](의과대학) > MEDICINE(의학과) > Articles
COLLEGE OF MEDICINE[S](의과대학) > MEDICINE(의학과) > Articles
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