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. 2024 Nov 19;15(1):9–18. doi: 10.1159/000542653

Fig. 2.

Fig. 2.

a Patient with favorable outcome (stroke onset to groin puncture time, 18.15 h; 90-day mRS score, 1). (i) Right MCA-M1 segment occlusion is observed on MRA image. (ii, iii) MRP parameter maps before thrombectomy indicate the ischemic core (ADC <620 and hypoperfusion volume [Tmax >6 s] of this patient are 8 and 63 mL, respectively). A small HIR (0.2) (good collaterals) was found. b Patient with unfavorable outcome (stroke onset to groin puncture time, 16.58 h; 90 day mRS score, 4). (i) Left MCA-M1 segment occlusion is shown on MRA image. (ii, iii) MRP parameter maps before thrombectomy indicate the ischemic core (ADC <620 and hypoperfusion volume [Tmax >6 s] of this patient are 62 and 169 mL, respectively). A large HIR (0.6) (bad collaterals) was found.