What is the role of SPECT scanning 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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SPECT scanning is a nuclear medicine study using radioisotopes of technetium. It provides an analysis of relative blood flow by region, usually in the resting state. It is rarely useful in the clinical setting of acute stroke and can be considered a research tool.

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