Fig. 2

Images 2 months after carotid artery stenting. a, b (2015-3-24): T2-weighted image showed a massive lesion with edema in the left temporal and occipital lobes. c (2015-3-24): CT image also found a massive lesion with edema in the left temporal and occipital lobes. d (2015-3-29): The repeat cranial CT revealed that cerebral edema worsened. e, f (2015-4-11): contrast T1-weighted images showed multiple ring-enhanced lesions with massive edema in the left temporal and occipital lobes. g, h (2015-4-29): Repeat cranial CT scans showed edema regressed 2 weeks post-operatively