Peripheral Branch (P4 segment) Aneurysm of the Posterior Cerebral Artery: A case report Yasuhiko ISHIBASHI 1,2 , Takehide ONUMA 1 1Department of Neurosurgery, Sendai City Hospital Keyword: Peripheral aneurysm , Posterior cerebral artery pp.659-662
Published Date 1989/7/10
DOI https://doi.org/10.11477/mf.1436202853
  • Abstract
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 Four to fifteen percent of all intracranial aneurysms reported are peripheral aneurysms of the posterior fossa. Peripheral branch aneurysm of the posterior cerebral artery has only rarely been described.

 A 69-year-old woman had sudden onset of severe headache and vomiting and was transfered to our hospital. On admission the patient showed mild mental impairment. She had signs of meningeal irritation and right homonymous hemianopsia.

 CT scan showed intracerebral hematoma in the left occipital lobe, large hematoma in the left lateral ventricle and subdural hematoma in the interhemispheric region.

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