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The different imaging techniques used to select stroke-patients who would benefit from therapy. Patient 1 exhibits no FLAIR-lesion (A) and a clear DWI-lesion (B), the so-called DWI-FLAIR mismatch pattern. Patient 2 has a PWI/DWI mismatch on imaging, with (C) representing the lesion on Tmax, and (D) the corresponding diffusion lesion.
