Scoring system based on 7 intracranial imaging findings
| Finding | Points |
|---|---|
| Smooth dural enhancement | 1 |
| Dural enhancement in the IACs | 1 |
| Pituitary engorgement | 1 |
| Non-Chiari cerebellar descent of >5 mm | 1 |
| Dural venous sinus engorgement | 1 |
| Cerebral aqueduct iter below incisural line | 1 |
| Suprasellar cistern ≤2.5 mm | 1 |