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Case Material of 61 Cases
| Schwannomas 9–10–11 n | 16 |
| Schwannomas 7–8–12 n | 4 |
| Paragangliomas | 6 |
| Residual paragangliomas | 5 |
| Meningiomas | 7 |
| Cholesteatomas | 6 |
| Cholest. granul. | 1 |
| Chordomas | 4 |
| Chondrosarcomas | 6 |
| Papillary adenomas | 3 |
| Epithelioid hemangioma | 1 |
| Teratoma | 1 |
| Petrous apex cyst | 1 |
