Table 1:
Dural arteriovenous fistula: Findings at MRA and DSA
| Case No. | Sex/Age (y) | DSA Level | Side | MRA Level | Side | Level and Side Correct at MRA |
|---|---|---|---|---|---|---|
| 1 | M/69 | L1 | L | L1 | L | Yes |
| 2 | M/63 | T6 | L | T6 | L | Yes |
| 3 | F/75 | T5 | R | T5 | R | Yes |
| 4 | M/38 | T7 | L | T7 | L | Yes |
| 5 | M/64 | S1/2 | R | S1/2 | R | Yes |
| 6 | M/61 | T6 | R | T7 | R | No |
| 7 | M/71 | T6/T7* | L | T6/T7* | L | Yes |
| 8 | M/72 | T12 | R | T12 | R | Yes |
| 9 | M/66 | L3 | L | L3 | L | Yes |
| 10 | M/72 | L1 | R | L1 | R | Yes |
| 11 | M/70 | T5 | R | T5 | R | Yes |
| 12 | M/66 | T6 | R | T6 | R | Yes |
| 13 | M/61 | T8 | R | T8 | R | Yes |
| 14 | M/56 | T5 | R | T6 | R | No |
| 15 | M/55 | T11 | R | T10 | R | No |
| 16 | M/66 | T11 | L | T10 | L | No |
| 17 | M/50 | T10 | L | T11 | L | No |
| 18 | M/68 | S1/2 | L | S1/2 | L | Yes |
| 19** | M/77 | L2 | R | L2 | R | Yes |
| 20*** | M/63 | Tentorial | Outside FOV | Not imaged |
Note:—MRA indicates MR angiography; DSA, digital subtraction angiography; M, male; F, female; L, left; R, right.
*
The fistula was located at T7 left, supplied by the segmental arteries T6 and T7.
**
Epidural spinal arteriovenous fistula.
***
Tentorial dural arteriovenous fistula. The fistula was located outside the FOV, but the venous drainage was clearly depicted with MRA.