Type | Cervical | Thoracic | Lumbar | Total |
Schwannoma | 9 | 22 | 2 | 33 (68.7%) |
Neurofibroma | 2 | 4 | 1 | 7 (14.5%) |
Meningioma | 1 | 2 | 0 | 3 (6.2%) |
Lipoma | 1 | 0 | 1 | 2 (4.2%) |
Ependymoma | 0 | 1 | 1 | 2 (4.2%) |
Astrocytoma | 1 | 0 | 0 | 1 (2.1%) |
Total | 14 | 29 | 5 | 48 (100.0%) |