Table 3. Results according to surgical approach.
| Surgical approach | n | Tumor size (>diameter – cm) |
GTR (%) | Mortality ( n ) | Major morbidity ( n ) | Permanent new CN deficits ( n ) | Tumor progression or recurrence ( n ) | Radiotherapy or RS ( n ) |
|---|---|---|---|---|---|---|---|---|
| Retrosigmoid | 8 | 4 to >6 2 to 3–6 2 to <3 |
87,5 | 0 | 0/8 | 2/8 | 1/8 | 1 |
| Posterior petrosectomy | 6 | 4 to 3–6 2 to >6 |
66,7 | 0 | 2/6 | 1/6 | 1/6 | − |
| Total petrosectomy | 2 | 1 to >6 1 to 3–6 |
50 | 1 | 2/2 | 2/2 | 0/2 | − |
| FOZ | 2 | 1 to 3–6 1 to >6 |
50 | 1 | 1/2 | 1/2 | 1/2 | 1 |
| Pretemporal | 1 | 1 to <3 | 0 | 0 | 0/1 | 0/1 | 1/1 | 1 |
| Combined (FOZ + anterior petrosectomy) | 1 | 1 to <3 | 0 | 0 | 1/1 | 1/1 | 0/1 | − |
| Endoscopic endonasal | 1 | 1 to 3–6 | 0 | 0 | 0/1 | 0/1 | 0/1 | 1 |
| VPS | 1 | 1 to >6 | 0 | 0 | 0/1 | 0/1 | 0/1 | 1 |
Abbreviations: CN, cranial nerve; FOZ, fronto-orbito-zygomatic; GTR, gross-total resection; RS, radiosurgery; VPS, ventriculoperitoneal shunt.