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. 2022 Apr 2;91(6):878–888. doi: 10.1002/ana.26354

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© 2022 The Authors. Annals of Neurology published by Wiley Periodicals LLC on behalf of American Neurological Association.

This is an open access article under the terms of the http://creativecommons.org/licenses/by-nc/4.0/ License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes.

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Automatic segmentation of critically hypoperfused tissue and infarct core volumes based on T_max >9.5seconds and >16 seconds threshold values. Panel A: Color coded CTP T_max map with scale set at 9.6 to 25 seconds. Panel B: Color coded CTP T_max map with scale set at 16.1 to 25 seconds. Panel C: T_max >9.5 seconds volume automatically segmented on CTP averaged images. Panel D: T_max >16 seconds volume automatically segmented on CTP averaged images. CTP = computed tomography perfusion; T_max = time to maximum concentration. [Color figure can be viewed at www.annalsofneurology.org]