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A, An image of quantitative CBF acquired 30 minutes post ictus demonstrates a large region of hypoperfusion (qCBF <10 mL/100 g-min) in the left MCA territory.
B, Diffusion-weighted images (b = 1000) acquired after 2 hours show that, in this case, the territory of hypoperfusion observed immediately after the stroke goes on to become a pronounced diffusion abnormality.
C, ADC values confirm the region of diffusion seen in the b = 1000 image.
