Demographic characteristics of patient population
| Case number | Location and description of malformation |
|---|---|
| 1 | Incidentally diagnosed right frontal AVM, Spetzler–Martin grade IV, with MCA, lenticulostriate and choroidal feeders |
| 2 | Incidentally diagnosed right cerebellar AVM, Spetzler–Martin grade I with feeders from the posterior and anterior inferior cerebellar arteries |
| 3 | Incidentally diagnosed right frontal AVM supplied by the right MCA, anterior cerebral artery via the left internal carotid artery/anterior communicating artery with minimal contribution from the right posterior cerebral artery |
| 4 | Unruptured high-grade (Cognard type II a+b, Borden type II) dural AVF into left transverse sigmoid sinuses with supply from left occipital artery branches |
| 5 | Large left insular AVM, Spetzler–Martin grade III. History of acute subarachnoid hemorrhage secondary to ruptured left anterior choroidal aneurysm |
| 6 | Large left hemispheric AVM, Spetzler–Martin grade IV s/p previous embolizations. Unruptured, patient presented with worsening hemiparesis |
AVF, arteriovenous fistula; AVM, arteriovenous malformation; MCA, middle cerebral artery; s/p, status post.