Brain MRI findings in patients with skull base CSF leaks
| MRI Findings | # Patients (%) n = 31 |
|---|---|
| Dural enhancement | 1 (3%) |
| Small suprasellar distance (≤4 mm) | 2 (7%) |
| Engorged venous sinus | 1 (3%) |
| Subdural fluid collection | 0 |
| Small prepontine distance (≤5 mm) | 10 (32%) |
| Small mamillopontine distance (≤6.5 mm) | 9 (29%) |
| Mean Bern score (SD) | 0.9 (1.1) |
| Lowlying cerebellar tonsils | 2 (7%) |