TABLE 2:
Summary of the reported cases of cervical internal carotid artery (ICA) pseudofenestration and associated findings
| Level | Associated Findings in Fenestrated Artery | Associated Findings in Other Cervicocranial Arteries |
|---|---|---|
| 1. C2 | Slight caliber irregularity | Contralateral ICA dissection |
| 2. C1–C2 | Fusiform dilalation | Contralateral ICA dissection |
| 3. Bifurcation | Pseudoaneurysm | Bilateral vertebral artery dissection, FMD |
| 4. C1–C2 | ICA coiling, fusiform dilatation | FMD |
| 5. C3 | Pseudoaneurysm | FMD |
| 6. C2–C3 | Excentric “false” lumen | Contralateral ICA dissection |