Table 3. Preoperative radiological data.
| Endoscopic SEA (13 patients) | Combined (5 patients) | Craniotomic (17 patients) | ||||
|---|---|---|---|---|---|---|
| n | % | n | % | n | % | |
| Intraconal | 5 | 38.5 | 2 | 40 | 2 | 11.8 |
| Extraconal | 9 | 69.2 | 3 | 60 | 3 | 17.6 |
| Frontal bone | 9 | 69.2 | 1 | 20 | 15 | 88.2 |
| Zygomatic bone | 5 | 38.5 | 0 | 0 | 1 | 5.9 |
| Maxillary bone | 0 | 0 | 1 | 20 | 1 | 5.9 |
| GSW | 12 | 92.3 | 5 | 100 | 15 | 88.2 |
| LSW | 11 | 84.6 | 5 | 100 | 17 | 100% |
| Parietal bone | 4 | 30.8 | 3 | 60 | 0 | 0 |
| Temporal bone | 2 | 15.4 | 3 | 60 | 2 | 11.8 |
| Pterygoid muscles | 0 | 0 | 3 | 60 | 1 | 5.9 |
| Subcutis/cutis | 2 | 15.4 | 0 | 0 | 1 | 5.9 |
| ACF | 6 | 46.1 | 0 | 0 | 12 | 70.6 |
| MCF | 11 | 84.6 | 4 | 80 | 15 | 88.2 |
| ACF dura | 6 | 46.1 | 0 | 0 | 12 | 70.6 |
| MCF dura | 12 | 92.3 | 4 | 80 | 16 | 94.1 |
| Cerebral parenchyma | 2 | 15.4 | 1 | 20 | 10 | 58.8 |
Abbreviations: ACF, anterior cranial fossa; GSW, greater sphenoid wing; LSW, lesser sphenoid wing; MCF, middle cranial fossa; SEA, superior eyelid approach.