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Fig 5. CT perfusion maps of MTT. MTT in an animal with mild delayed vasospasm (<24%) does not change in the brain stem (BS) or the cerebellum (CB) between baseline (A) and day 4 (B). In moderate-severe delayed vasospasm (
24%), MTT increases from baseline (C) to day 4 (D) in the BS and CB. The white arrows show areas of increased MTT.
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