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Table 2: Preprocedure MR findings
Patient No./Sex/Age (y) Side of Lesion High Signal Intensity on DWI Delay in MTT Relative CBV Diffusion/Perfusion Mismatch
1/M/82 L CF, BG Small abnormality Yes Large signal intensity loss Large
2/M/81 R BG Small abnormality Yes Small signal intensity loss Small
3/M/91 R CF, BG Small abnormality Yes Small signal intensity loss Small
4/F/78 L IC Small abnormality Yes Large signal intensity loss Large
5/M/88 R CF, IC, BG Small abnormality Yes Large signal intensity loss Large
6/M/88 L None Normal Yes Large signal intensity loss Large
7/F/87 L BG Small abnormality Yes Large signal intensity loss Large
8/M/78 R BG Small abnormality Yes Large signal intensity loss Large
9/M/64 R BG Small abnormality Yes Small signal intensity loss Small
10/F/32 L NEIS NA NA NA NA
11/M/73 L CF, IC Small abnormality Yes Large signal intensity loss Large
12/F/81 L CF, CP, BG Small abnormality Yes Large signal intensity loss Large
13/F/69 L CF, BG Small abnormality Yes Large signal intensity loss Large
14/F/73 R None Normal Yes Small signal intensity loss Large
Note:—DWI indicates diffusion weighted image; MTT, mean transit time; CBV, cerebral blood volume; CF, cortex of the frontal lobe; IC, insular cortex; BG, basal ganglia; CP, cortex of the parietal lobe; NEIS, no early ischemic sign on cranial computed tomography; NA, not available.