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KMID : 1001920070410030196
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Journal of Korean Neurosurgical Society
2007 Volume.41 No. 3 p.196 ~ p.199
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Isolated Dissecting Posterior Inferior Cerebellar Artery Aneurysm
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Park Young-Mok
Han In-Bo
Ahn Jung-Yong
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Abstract
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Dissecting aneurysms frequently involve the vertebral arteries and their branches, but those involving the posterior inferior cerebellar artery (PICA) and not vertebral artery at all are extremely rare. We present a case of an isolated dissecting aneurysm of the PICA without involvement of vertebral artery. A 54-year-old man presented with dizziness and headache. MR imaging of the brain showed a cerebellar infarction of the left PICA territory. MR angiographic and cerebral angiographic studies revealed a dissecting fusiform aneurysm involving the left proximal PICA. Subsequently, the patient underwent GDC embolization. A postembolization angiogram demonstrated complete obliteration of the aneurysm. In this report, the treatment modalities for this rare condition is described with review of the literature.
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KEYWORD
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Dissecting aneurysm, Posterior inferior cerebellar artery, Embolization
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