Table 3.
The anatomy of bilateral sinuses in 33 enrolled patients with IIH.
| Case No. | TOF-MRV | HR-BB contrast-enhanced MRI | ||||||
|---|---|---|---|---|---|---|---|---|
| Left transverse sinus | Right transverse sinus | Left transverse sinus | Right transverse sinus | |||||
| Anatomical variation | Lesion enhanced | Wall enhanced | Anatomical variation | Lesion enhanced | Wall enhanced | |||
| 1 | Hypoplasia | Stenosis | Hypoplasia&AG | Yes | Yes | AG | Yes | No |
| 2 | Hypoplasia | Normal | Hypoplasia&AG | Yes | Yes | AG | No | No |
| 3 | Hypoplasia | Stenosis | Hypoplasia&AG | Yes | Yes | AG | Yes | No |
| 4 | Hypoplasia | Stenosis | Hypoplasia&AG | Yes | Yes | AG | Yes | Yes |
| 5 | Hypoplasia | Normal | Hypoplasia&AG | Yes | Yes | FS | No | No |
| 6 | Hypoplasia | Normal | Hypoplasia&FS | No | Yes | FS | No | Yes |
| 7 | Hypoplasia | Stenosis | Hypoplasia&FS | Yes | Yes | AG | Yes | Yes |
| 8 | Hypoplasia | Stenosis | Hypoplasia&BH | Yes | Yes | CS | No | Yes |
| 9 | Hypoplasia | Normal | Hypoplasia&BH | No | No | CS | No | No |
| 10 | Hypoplasia | Stenosis | Hypoplasia | No | Yes | CS&BH | No | No |
| 11 | Hypoplasia | Stenosis | Hypoplasia | No | Yes | AG&FS | No | No |
| 12 | Hypoplasia | Stenosis | Hypoplasia | No | No | AG | No | No |
| 13 | Hypoplasia | Stenosis | Hypoplasia | No | Yes | BH | No | Yes |
| 14 | Hypoplasia | Stenosis | Hypoplasia | No | No | FS | No | No |
| 15 | Hypoplasia | Stenosis | Hypoplasia | No | Yes | CS | No | No |
| 16 | Hypoplasia | Stenosis | Hypoplasia | No | No | CS | No | No |
| 17 | Hypoplasia | Stenosis | Hypoplasia | No | No | CS | No | Yes |
| 18 | Hypoplasia | Stenosis | Hypoplasia | No | Yes | CS | No | Yes |
| 19 | Hypoplasia | Stenosis | Hypoplasia | No | Yes | CS | No | No |
| 20 | Hypoplasia | Normal | Hypoplasia | No | Yes | FS | No | Yes |
| 21 | Stenosis | Hypoplasia | FS | No | No | Hypoplasia&FS | No | Yes |
| 22 | Normal | Hypoplasia | AG | Yes | Yes | Hypoplasia&FS | No | No |
| 23 | Stenosis | Hypoplasia | AG | No | Yes | Hypoplasia&BH | Yes | Yes |
| 24 | Stenosis | Hypoplasia | AG | Yes | Yes | Hypoplasia | No | Yes |
| 25 | Stenosis | Hypoplasia | AG | Yes | Yes | Hypoplasia | No | Yes |
| 26 | Stenosis | Stenosis | FS | No | Yes | CS | No | No |
| 27 | Normal | Stenosis | FS | Yes | Yes | AG | Yes | Yes |
| 28 | Stenosis | Normal | CS | No | No | CS | No | No |
| 29 | Stenosis | Stenosis | CS | No | Yes | BH | Yes | Yes |
| 30 | Stenosis | Stenosis | AG | Yes | Yes | CS | No | No |
| 31 | Hypoplasia | Normal | BH | Yes | Yes | Normal | No | No |
| 32 | Normal | Stenosis | AG | Yes | Yes | Normal | No | No |
| 33 | Normal | Stenosis | Normal | No | No | CS | No | No |
AG, arachnoid granulation; FS, fibrous septum; CS, circumscribed stenosis; BH, brain herniation in to DVS.