Atypical case of perimesencephalic subarachnoid hemorrhage

Konark Malhotra, Shino D. Magaki, Maria Inmaculada Cobos Sillero, Harry V. Vinters, Reza Jahan, Robert D. Brown, David S. Liebeskind

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


Perimesencephalic subarachnoid hemorrhage (PM-SAH) refers to intracranial hemorrhage located in the perimesencephalic cistern. The etiology remains mainly unclear, although venous leakage or rupture has been postulated. We report an interesting case of a 57-year-old healthy man who presented initially with PM-SAH with worsening of subcortical lesions on follow-up neuroimaging. Histopathological examination demonstrated cerebral amyloid angiopathy with perivascular inflammation.

Original languageEnglish (US)
Pages (from-to)272-274
Number of pages3
Issue number3
StatePublished - Jun 2017


  • cerebral amyloid angiopathy
  • perimesencephalic
  • subarachnoid hemorrhage

ASJC Scopus subject areas

  • Clinical Neurology
  • Pathology and Forensic Medicine


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