What are less common etiologies of posterior cerebral artery (PCA) stroke?

Updated: Jul 30, 2018
  • Author: Erek K Helseth, MD; Chief Editor: Helmi L Lutsep, MD  more...
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Less common etiologies include migrainous cerebral infarction (which preferentially affects the PCA distribution), anterior circulation disease (when fetal PCA variant is present), hypercoagulable disorders, illicit substance use, vasculitides, and fibromuscular dysplasia.

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