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KMID : 1001920100470020137
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Journal of Korean Neurosurgical Society
2010 Volume.47 No. 2 p.137 ~ p.139
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Cervical Schwannoma Presenting with Acute Intracranial Subarachnoid Hemorrhage
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Ji Cheol
Ahn Jae-Geun
Huh Han-Yong
Park Chun-Kun
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Abstract
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A subarachnoid hemorrhage (SAH) associated with negative finding on four-vessel angiography is seen in 5 to 30% of patients with intracranial SAH. A previously silent lesion in the spinal canal may be responsible for the angiographically negative finding for cause of intracranial SAH. We report a case of upper cervical (C1-2) intradural schwannoma presenting with acute intracranial SAH. Repeated cerebral angiographic studies were negative, but cervical magnetic resonance imaging study and tissue pathology revealed a intradural-extramedullary schwannoma in C1-2 level. This case illustrates the importance of a high index of clinical suspicion for spinal disease in angiographically negative intracranial SAH patients.
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KEYWORD
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Spinal schwannoma, Subarachnoid hemorrhage
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