Non-aneurysmal perimesencephalic subarachnoid hemorrhage caused by a cavernous angioma

Shadi Yaghi, Sowmini Oomman, Salah G. Keyrouz

Research output: Contribution to journalArticlepeer-review

11 Scopus citations


Background: Cavernous angiomas are responsible for intracranial hemorrhages, but bleeding is infrequently confined to the subarachnoid space. Methods: We describe an elderly, yet healthy man who sought medical attention for subarachnoid hemorrhage. Results: Vascular imaging failed to reveal a cerebral aneurysm, however magnetic resonance imaging done late in the course showed a cavernous angioma, on the surface of the left upper cerebellar peduncle, that had bled. Conclusions: The so-called "angiography- negative" subarachnoid hemorrhage could have its source in small cavernous angiomas lying on the surface of basal skull brain structures.

Original languageEnglish
Pages (from-to)84-85
Number of pages2
JournalNeurocritical Care
Issue number1
StatePublished - Feb 2011


  • Cavernoma
  • Cavernous angioma
  • Cerebral angiography
  • Intracranial hemorrhage
  • Magnetic resonance imaging
  • Subarachnoid hemorrhage


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