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Fig. 1. MR imaging before CAS.
A–C, Lesion of focally restricted diffusion in the right-sided centrum semiovale, characteristic of acute hemodynamic infarction (A, diffusion-weighted MR imaging [DWI][; B, apparent diffusion coefficient [ADC]). In the FLAIR sequence, an incomplete demarcation can be seen (C).
D–F, At the level of the basal ganglia there is no evidence of an acute ischemic lesion. The right occipital pole is part of the residual posterior territorial infarction. The FLAIR sequence demonstrates mild microangiopathic changes (F).
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