Table 1 Angioarchitecture characteristics of the studied cases
|  | n = 17 | % |
|---|---|---|
Size | Â | Â |
  < 3 cm | 5 | 29.4 |
  From 3to 6 cm | 5 | 29.4 |
  > 6 cm | 7 | 41.2 |
Feeders | Â | Â |
 Terminal perforator | 16 | 94.1 |
 En passage | 1 | 5.9 |
Number of draining veins | Â | Â |
 Single | 3 | 17.6 |
 Multiple | 14 | 82.4 |
Venous drainage | Â | Â |
 Superficial | 1 | 5.9 |
 Deep | 11 | 64.7 |
 Mixed | 5 | 29.4 |
Aneurysm | Â | Â |
  −ve | 12 | 70.6 |
  + ve | 5 | 29.4 |
Fistulous | Â | Â |
 Mixed | 2 | 11.8 |
 Plexiform | 15 | 88.2 |
 Borders |  |  |
 Diffuse | 7 | 41.2 |
 Compact | 10 | 58.8 |
Venous ectasia | Â | Â |
 No | 11 | 64.7 |
  Yes | 6 | 35.3 |
Bleeding | Â | Â |
 Non-ruptured | 8 | 47.1 |
 Ruptured | 9 | 52.9 |
Spetzler and Martin | Â | Â |
 2 | 5 | 29.4 |
 3 | 5 | 29.4 |
 4 | 7 | 41.2 |
Eloquence | Â | Â |
 Non-eloquent | 7 | 41.2 |
 Eloquent | 10 | 58.8 |
Location | Â | Â |
 Occipital | 4 | 23.5 |
 Cerebellar | 3 | 17.6 |
 Brainstem | 1 | 5.9 |
 Occipito-parietal | 3 | 17.6 |
 Occipito-temporal | 3 | 17.6 |
 Brainstem + cerebellar | 1 | 5.9 |
 Pericallosal | 2 | 11.8 |
Feeding artery | Â | Â |
 SCA | 3 | 17.6 |
 PCA | 10 | 58.8 |
 Basilar | 1 | 5.9 |
 PICA | 1 | 5.9 |
 Pericallosal, PCA | 2 | 11.8 |