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Ischemic stroke with large vessel occlusion: Non-contrast head (a) shows moderate size acute infarct in the left MCA territory. Cerebral blood volume (CBV) map (b) shows corresponding acute infarct core with Time to Peak (TTP) map (c) showing large area of ischemic penumbra. CT and catheter angiogram images depicting the left MCA thrombotic occlusion (d, e) with significant revascularization post mechanical thrombectomy (f)
