Which vascular diseases should be considered in the differential diagnosis 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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The usual differential diagnosis for posterior cerebral artery (PCA) stroke includes other vascular diseases such as intracerebral hemorrhage, cerebral venous infarction, subarachnoid hemorrhage, and subdural hemorrhage. Rarely, space-occupying lesions (eg, glioma) present as sudden onset of deficit.

Demyelinating lesions (eg, multiple sclerosis) rarely present as hemianopia, but this does occur in a few patients. Posterior reversible encephalopathy syndrome may present with visual disturbances and imaging abnormalities within the occipital lobes.

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