Table 1:
Clinical and angiographic characteristics of patients (PT and confirmed DAVF)
| Patient | Age (yr)/Sex | Arterial Supply | Venous Drainage | Stenoses | Cortical Venous | Cognard Stage |
|---|---|---|---|---|---|---|
| 1 | 46/F | R Occ/R Vert/R APA | Marginal | None | No | IIa |
| 2 | 46/F | R PCA/R Vert/R Occ/R MM/R APA/L Occ | Sigmoid | R Jugular | No | IIa |
| 3 | 79/F | R MM/R Occ/R MHT | Occipital | R Jugular | No | I |
| 4 | 55/M | R Occ/R MHT/R MM | Sigmoid | R Jugular | No | IIa |
| 5 | 43/M | R Occ/R PAur/R MHT | Marginal | None | No | I |
| 6 | 52/F | L Occ/L Vert | Marginal | None | No | IIa |
| 7 | 40/F | R MM/R APA/R Occ | Sigmoid | R Sigmoid | Yes | IIa+b |