Patient characteristics
| Age (y) | 64.3 ± 12.0 (37–88) |
| Sex (M:F) | 9:16 |
| Presentation | |
| Asymptomatic | 1 (4%) |
| Tinnitus | 8 (32%) |
| Headache | 3 (12%) |
| Vertigo | 1 (4%) |
| Myelopathy | 1 (4%) |
| Chemosis | 6 (24%) |
| Diplopia | 1 (4%) |
| ICH | 2 (8%) |
| SAH | 2 (8%) |
| Location | |
| Cavenous | 11 (44%) |
| Sigmoid | 9 (36%) |
| Tent | 2 (8%) |
| Anterior condylar | 1 (4%) |
| Craniocervical | 1 (4%) |
| Spine | 1 (4%) |
| Treatment | |
| Observation | 4 (16%) |
| IVR (TAE) | 1 (4%) |
| IVR (TVE) | 17 (68%) |
| IVR/craniotomy | 3 (12%) |
| Follow-up (mo) | 12.6 ± 11.4 (1–33) |
Note.—ICH indicates intracerebral hemorrhage; SAH, subarachnoid hemorrhage; IVR, interventional radiology; TAE, transarterial embolization; TVE, transvenous embolization.