Characteristics and results of follow-up of DW lesions
| DW Lesions (%) | DW Lesions Postprocedural* | DW Lesions Follow-up* | |
|---|---|---|---|
| No. of lesions | |||
| Total | 64 | 2 | 2 |
| Average | 2.9 | na | na |
| Range | 1–11 | na | na |
| Size (mm) | |||
| <5 | 52 (81) | 0 | 0 |
| 5–10 | 12 (19) | 2 | 2 |
| >10 | 0 | 0 | 0 |
| Vertical distribution (area of brain) | |||
| Upper | 41 (64) | 0 | 0 |
| Middle | 15 (23) | 1 | 1 |
| Lower | 8 (13) | 1 | 1 |
| Horizontal distribution | |||
| Cortical/subcortical | 59 (92) | 0 | 0 |
| Deep | 5 (8) | 2 | 2 |
| Cerebral distribution | |||
| Frontal lobe | 11 (17) | 0 | 0 |
| Parietal lobe | 36 (56) | 0 | 0 |
| Temporal lobe | 6 (9) | 0 | 0 |
| Occipital lobe | 7 (11) | 0 | 0 |
| Cerebellar | 3 (5) | 1 | 1 |
| Basal ganglia | 0 | 0 | 0 |
| Thalamus | 1 (2) | 1 | 1 |
| Vascular distribution of branches | |||
| ACA cortical | 5 (8) | 0 | 0 |
| ACA deep | 0 | 0 | 0 |
| MCA cortical | 50 (78) | 0 | 0 |
| MCA deep | 2 (3) | 1 | 1 |
| PCA cortical | 4 (6) | 0 | 0 |
| PICA | 3 (5) | 1 | 1 |
Note.—DW indicates diffusion-weighted; ACA, anterior cerebral artery; MCA, middle cerebral artery; PCA, posterior cerebral artery.
* T2-weighted magnetic resonance imaging.