What is the role of CT angiography (CTA) in the workup 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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Answer

In the acute stroke setting, the use of CTA has greatly expanded. CTA can identify extracranial vascular disease (cervical atheromatous disease and dissection) and intracranial disease (intracranial stenosis or embolism). CTA results are frequently used to guide acute and chronic therapies, including medical, surgical, and endovascular treatments.


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