Subarachnoid Hemorrhage Caused by Pilocytic Astrocytoma : Case Report

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A 20-year-old woman presented with subarachnoid hemorrhage (SAH) in the frontal interhemispheric fissure, and a cystic lesion in the left frontal lobe. Cerebral angiography demonstrated no aneurysm or vascular abnormalities. T<sub>1</sub>-weighted magnetic resonance imaging with contrast medium revealed an enhanced lesion along the falx. The lesion and cyst were removed, and histological examination revealed a pilocytic astrocytoma. Spontaneous intracranial hemorrhage from pilocytic astrocytoma is rare, with only 15 reported cases mostly involving intratumoral hemorrhage in the parenchyma of hypothalamic and cerebellar tumors. SAH caused by cerebral hemisphere pilocytic astrocytoma is extremely rare. This case suggests that interhemispheric fissure SAH, not associated with aneurysm or abnormal vascularity, could originate from small, low-grade glioma in the superficial cerebral hemisphere.<br>

収録刊行物

  • Neurologia medico-chirurgica = 神経外科

    Neurologia medico-chirurgica = 神経外科 51(1), 82-84, 2011-01-15

    The Japan Neurosurgical Society

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各種コード

  • NII論文ID(NAID)
    10028104760
  • NII書誌ID(NCID)
    AN00358613
  • 本文言語コード
    ENG
  • 資料種別
    NOT
  • ISSN
    04708105
  • DOI
    10.2176/nmc.51.82
  • データ提供元
    CJP書誌  J-STAGE 
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