Cerebral perfusion in patients with unilateral internal carotid artery occlusion by dual post-labeling delays arterial spin labeling imaging

Figure 1 Study enrollment showing exclusion criteria. CCA: Common carotid artery; ICA: Internal carotid artery; MCA: Middle cerebral artery; ACA: Anterior cerebral artery; ICAO: Internal carotid artery occlusion; PLD: Post-labeling delay.

Figure 2 Data processing flow chart and brain segmentation diagram. A: Dr Brain's software arterial spin labeling module processing flow diagram; B: Segmentation brain structure of regions of interest. ASL: Arterial spin labeling; PDWI: Proton density weighted image; CBF: Cerebral blood flow; ROI: Region of interest; ASPECTS: Alberta Stroke Programme Early Computed Tomography Score; MCA: Middle cerebral artery; ACA: Anterior cerebral artery.