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Fig 3. Two-month follow-up of a 38-year-old man who underwent clipping of a left middle cerebral artery aneurysm with a cobalt-alloy clip. A, Subtraction CTA. B, Conventional CTA. C, DSA of the left internal carotid artery. Conventional CTA (B) represents the pseudostenosis (arrow) at proximal M2 near the clipping site.
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