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Collateral Circulation in Occluded Side.
| Case No | via Ant. Com Artery* |
EC-IC Anastomosis |
via Post. Com Artery** |
Leptomeningeal Anastomosis |
|---|---|---|---|---|
| 1 | + | + | − | + |
| 2 | + | + | − | + |
| 3 | + | − | − | + |
| 4 | + | − | + | − |
| 5 | − | + | − | − |
| via Ant. Com. Artery*: via anterior communicating artery | ||||
| via Post. Com. Artery**: via posterior communicating artery | ||||
