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Relationship between the presence of HIS in the plaque on TOF MRA and new ischemic lesions on DWI (a) and periprocedural ischemic symptoms (b). a New ischemic lesions on DWI were more frequently observed in the HIS-positive group than in the HIS-negative group. b Periprocedural ischemic symptoms were more frequently observed in the HIS-positive group than in the HIS-negative group. Reprinted with permission from Yoshimura et al. [7].
