Table 3.
Acquired Cranial Nerve Deficits
| Pathology | No. | VII | VIII | IX | X | XI | XII |
|---|---|---|---|---|---|---|---|
| One case each of epithelioid hemang., cholest. granul., teratoma, petrous cyst; no postop losses. | |||||||
| Schwannoma | 17 | 1/2 | 7/8 | 4/9 | 5/10 | 5/6 | 7/7 |
| Schwannoma 7, 8 n | 3 | 3/3 | 2/2 | 0/0 | 0/0 | 0/0 | 0/0 |
| Meningioma | 7 | 0/0 | 4/11 | 0/7 | 0/7 | 0/5 | 0/2 |
| Paraganglioma | 6 | 2/3 | 5/6 | 4/4 | 2/3 | 2/2 | 2/2 |
| Residual paraganglioma | 5 | 2/2 | 3/4 | 1/4 | 1/3 | 1/3 | 2/4 |
| Cholesteatoma | 6 | 2/2 | 4/6 | 0/0 | 0/0 | 0/0 | 0/0 |
| Chordoma | 4 | 0/0 | 0/1 | 3/3 | 3/3 | 3/3 | 3/3 |
| Chondrosarcoma | 6 | 0/0 | 3/6 | 2/3 | 2/3 | 2/2 | 1/2 |
| Papillary adenoma | 3 | 1/1 | 3/3 | 1/1 | 1/1 | 0/0 | 0/0 |
| Total | 57 | 11/13 | 32/47 | 16/32 | 15/31 | 14/22 | 16/21 |