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Ischemic penumbra perfusion-weighted

Fig. 4.12. Mismatch concept of diffusion lesion (smaller) and perfusion deficit (larger) in human territorial brain infarction. Acute MCA territory ischemia/oligemia with a smaller, centrally located diffusion disturbance showing the relationship between infarct core, ischemic penumbra and changes in DWI and PI. DWI, diffusion-weighted imaging PI, perfusion imaging ADC, apparent diffusion coefficient ATP, high energy phosphates MCA, middle cerebral artery... Fig. 4.12. Mismatch concept of diffusion lesion (smaller) and perfusion deficit (larger) in human territorial brain infarction. Acute MCA territory ischemia/oligemia with a smaller, centrally located diffusion disturbance showing the relationship between infarct core, ischemic penumbra and changes in DWI and PI. DWI, diffusion-weighted imaging PI, perfusion imaging ADC, apparent diffusion coefficient ATP, high energy phosphates MCA, middle cerebral artery...
Rohl, L., et al.. Viability thresholds of ischemic penumbra of hyperacute stroke defined by perfusion-weighted MRI and apparent diffusion coefficient. Stroke, 2001. 32(5) p. 1140-6. [Pg.120]

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Ischemic penumbra

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