Characteristics of AVMs
| No. (%) | |
|---|---|
| Patients with AVMs | 48 (100.0) |
| No. of AVMs | 110 (100.0) |
| Patients with nidus-type | 28 (58.3) |
| Patients with capillary vascular malformations | 31 (64.6) |
| Patients with pial AVF | 1 (2.1) |
| No. with multiple AVMs | 26 (54.2) |
| No. of AVMs in patients | |
| 1 | 22 (45.8) |
| 2 | 14 (29.2) |
| 3 | 5 (10.4) |
| >3 | 7 (14.6) |
| Location | |
| Frontal | 48 (43.6) |
| Parietal | 15 (13.6) |
| Occipital | 12 (10.9) |
| Temporal | 14 (12.7) |
| Cerebellar | 17 (15.4) |
| Brain stem | 2 (1.8) |
| Basal ganglia/thalamic | 2 (1.8) |
| Spetzler Martin size | |
| <3 cm | 97 (97.0) |
| 3–6 cm | 2 (2.0) |
| >6 cm | 1 (1.0) |
| Eloquent location | |
| Yes | 51 (51.0) |
| No | 49 (49.0) |
| Deep venous drainage | |
| Yes | 16 (16.1) |
| No | 83 (83.9) |
| Spetzler Martin score | |
| 1 | 43 (43.4) |
| 2 | 45 (45.5) |
| 3 | 10 (10.1) |
| 4 | 0 (0.0) |
| 5 | 1 (1.0) |
| Presenting with hemorrhage | 5 (10.4) |