| Study | Results |
|---|---|
| NCV | total 6(37.5%) |
| normal 4(25.0%) slow 2(12.5%) | |
| EMG | total 3(18.7%) |
| normal 3(18.7%) | |
| Brain MRI | total 6(37.5%) |
| sinusitis 3(18.7%) | |
| otomastoditid 1(6.2%) | |
| normal 1(6.2%) | |
| spinal MRI | total 4(25.0%) |
| meningial or epidural enhancement 6.2%) | |
| normal 3(18.7%) | |
| CSF | total 9(56.2%) |
| Albuminocytologic dissosiation 0 | |