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<p>Ruptured aneurysms or pseudoaneurysms associated with the vasa corona, in the absence of cerebral arteriovenous malformation or dural arteriovenous fistula, are extremely rare but should be recognized as a possible cause of subarachnoid hemorrhage (SAH). We report the case of a 51-year-old female who presented with SAH due to a ruptured vasa corona pseudoaneurysm, with no associated anatomical abnormalities involving the vertebral artery or the posterior inferior cerebellar artery. She recovered after direct surgery. In previous cases, anterior spinal artery dilatation due to posterior inferior cerebellar artery anomalies prompted endovascular treatment. A thorough assessment remains crucial, and direct surgery can be effective.</p>

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A case of vasa corona ruptured pseudoaneurysm: case report and review of literature

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年4月22日

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  • Hikaru Nakamura,
  • Tsuyoshi Izumo,
  • Kazuaki Okamura,
  • Shota Yoshimura,
  • Nozomi Ueki,
  • Shiro Baba,
  • Kenta Ujifuku,
  • Yoichi Morofuji,
  • Takeshi Hiu,
  • Koichi Yoshida,
  • Takayuki Matsuo

摘要

Ruptured aneurysms or pseudoaneurysms associated with the vasa corona, in the absence of cerebral arteriovenous malformation or dural arteriovenous fistula, are extremely rare but should be recognized as a possible cause of subarachnoid hemorrhage (SAH). We report the case of a 51-year-old female who presented with SAH due to a ruptured vasa corona pseudoaneurysm, with no associated anatomical abnormalities involving the vertebral artery or the posterior inferior cerebellar artery. She recovered after direct surgery. In previous cases, anterior spinal artery dilatation due to posterior inferior cerebellar artery anomalies prompted endovascular treatment. A thorough assessment remains crucial, and direct surgery can be effective.