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Typical examples of cerebral watershed infarcts in patients with carotid artery stenosis. Diffusion weighted imaging (DWI) showing (a) cortical watershed infarction between the posterior cerebral artery (PCA) and middle cerebral artery (MCA) cortical territories, (b) right-hemisphere internal watershed infarction on diffusion weighted imaging, and (c) cortical watershed infarction between the anterior cerebral artery (ACA) and MCA cortical territories.
