Clinical features and operative complications
| Meningiomas | Epidermoids/ cholesteatomata | |
|---|---|---|
| Symptom duration (median in months) | 12 | 24 |
| Hydrocephalus | 20% | 8% |
| Cerebellar symptoms | 52% | 33% |
| Hearing loss (subjective) | 32% | 50% |
| Hearing loss (objective) | 68% | 66% |
| Preoperative fifth nerve symptoms | 36% | 42% |
| Preoperative seventh nerve symptoms | 8% | 33% |
| Postoperative seventh nerve palsy (permanent) | 2 (10%) | 0 |
| Postoperative seventh nerve palsy (partial recovery) | 3 (15%) | 0 |
| Postoperative absent gag/ swallow | 4 (20%) | 2 (25%) |
| Haematoma | 1 | 0 |
| Infection | 1 | 0 |