Fig. 2

Day 1: post-Thrombectomy Recanalization of the Left Middle Cerebral Artery without Evidence of Hemorrhage or the HARM Sign. A SWAN MRI sequence shows no evidence of post-thrombectomy hemorrhage. B Post-thrombectomy FLAIR MRI sequence shows no evidence of the HARM sign. C 3D time of flight MRI sequence shows post-thrombectomy TICI 3 recanalization of the left middle cerebral artery. FLAIR indicates fluid attenuated inversion recovery; HARM, hyperintense acute reperfusion marker; MRI, magnetic resonance imaging; SWAN, susceptibility-weighted angiography; TICI, Thrombolysis In Cerebral Infarction