Table 2.
Follow-up computed axial images and the extension of coil mass in 12 patients with successful coiling of hypoglossal dural arteriovenous fistula.
| No. | Imaging | Extension of coil mass | ||||
| Hypoglossal canal |
Ventral to hypoglossal canal |
Central clivus |
Lateral lower clivus (basiocciput) |
Other sites | ||
| 1 | CT | + | − | − | + | Jugular condyle |
| 3 | MR | + | − | − | + | |
| 4 | CT | + | − | − | + | Border of Foramen Magnum, inferior petrosal sinus |
| 5 | CT/MR | + | − | − | + | Border of Foramen Magnum |
| 6 | CT | + | − | − | + | |
| 7 | CT/MR | + | − | − | + | |
| 8 | MR | + | − | − | + | Border of Foramen Magnum |
| 9 | CT/MR | + | − | − | − | Bone surrounding hypoglossal canal |
| 10 | MR | + | − | − | − | |
| 11 | CT | + | + | − | + | |
| 12 | MR | + | − | − | + | |
| 14 | MR | + | + | − | − | |
| CT, computed tomography; MR, magnetic resonance. | ||||||