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.