Journal of Korean Neurosurgical Society

The Korean Neurosurgical Society (대한신경외과학회)
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Isolated Dissecting Posterior Inferior Cerebellar Artery Aneurysm

  • Park, Young-Mok (Department of Neurosurgery, Yongdong Severance Hospital, Yonsei University College of Medicine) ;
  • Han, In-Bo (Department of Neurosurgery, Pundang CHA Hospital, College of Medicine, Pochon CHA University) ;
  • Ahn, Jung-Yong (Department of Neurosurgery, Yongdong Severance Hospital, Yonsei University College of Medicine)
  • Published : 2007.03.30
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Abstract

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.

Keywords

References

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