Summary of patient data
| Patient No. | Main Clinical Finding | Site of DAVF | Site of RCVD | Abnormal Flow Void | rCBV ratio |
|---|---|---|---|---|---|
| 1 | Papilledema | Left TSS | Left | Yes | 1.42 |
| 2 | Subarachnoid hemorrhage | Left TSS | Left | Yes | 1.94 |
| 3 | Pulsatile tinnitis | Right TSS | Right | No | 1.14 |
| 4 | Convulsion | Left TSS | Left | No | 1.15 |
| 5 | Papilledema | TS | Both | Yes | 1.46 |
| 6 | Papilledema | Left TSS | Left | No | 1.24 |
| 7 | Pulsatile tinnitis | Left TSS | Left | No | 1.32 |
| 8 | Papilledema | TS, right TSS | Both | Yes | 1.19 |
| 9 | Subcortical Hemorrhage | SSS | Both | Yes | 1.37 |
| 10 | Conjunctival injection | Right CS | Left | No | 1.32 |
| Ref. 1 | Pulsatile tinnitis | Left TSS | No | No | 1.02 |
| Ref. 2 | Pulsatile tinnitis | Right TSS | No | No | 1.03 |
Note:—DAVF indicates dural arteriovenous fistula; RCVD, retrograde cortical venous drainage; rCBV, relative cerebral blood volume; TSS, transverse-sigmoid sinus; TS, torcular herophili; SSS, superior sagittal sinus; CS, cavernous sinus; NA, not applicable.