A Cause of Atypical Intracranial Subarachnoid Hemorrhage: Posterior Spinal Artery Aneurysms

Gabriele Ronchetti, Saul F. Morales-Valero, Giuseppe Lanzino, John T. Wald

Research output: Contribution to journalArticlepeer-review

15 Scopus citations


Background: Approximately 1 % of cases of intracranial subarachnoid hemorrhage (SAH) are caused by spinal vascular pathologies. Among them, isolated spinal artery aneurysms are uncommon and a limited number of cases have been reported in the literature. Methods: This is a report of two cases and review of the literature. Results: Both patients presented with an atypical intracranial SAH and were also found to have spinal SAH caused by a ruptured posterior spinal aneurysm. Conclusion: Isolated spinal artery aneurysms represent a rare cause of intracranial SAH. Symptoms such as back pain and lower-extremity weakness can be clues to the adequate diagnosis. Surgical or endovascular treatment should be pursued in all patients, as the risk of rebleeding is non-negligible.

Original languageEnglish (US)
Pages (from-to)299-305
Number of pages7
JournalNeurocritical care
Issue number2
StatePublished - Apr 2015


  • Spinal aneurysm
  • Spinal cord vascular diseases
  • Subarachnoid hemorrhage

ASJC Scopus subject areas

  • Critical Care and Intensive Care Medicine
  • Clinical Neurology


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