Principal locations of the 93 brain AVMs, their laterality, and their so called eloquence (asterisked) according to the Spetzler-Martin grading scheme16
| Side | |||
|---|---|---|---|
| Location | Left | Midline | Right |
| Frontal | 6* | 1 | 6 |
| Frontotemporal | 0 | 0 | 2 |
| Frontoparietal | 3* | 0 | 2* |
| Temporal | 7 (4*) | 0 | 9 |
| Temporoparietal | 4* | 0 | 4 |
| Parietal | 10* | 0 | 15* |
| Parieto-occipital | 5 | 0 | 4 |
| Occipital | 4* | 0 | 0 |
| Thalamus | 1* | 0 | 2* |
| Medulla | 0 | 1* | 0 |
| Cerebellum | 2* | 1 | 4* |
| Total (%) | 42 (45%) | 3 (3%) | 48 (52%) |