Table 2.
Data regarding surgical procedure and outcome. Shown are the number of specimens, the anatomical projections of the target points, CT scan within 7 days after surgery, complications, type of complication, 30-day mortality and 1-year survival after surgery
| Parameter | N | % |
|---|---|---|
| Modality | 79 | 100 |
| CT | 17 | 21.5 |
| MRI | 62 | 78.5 |
| Specimen | 79 | 100 |
| Minimum | 6 | |
| Maximum | 31 | |
| Mean specimen 15.7 (± 4.9) | ||
| Target-point localization | 79 | 100 |
| Brainstem | 36 | 45.6 |
| Cerebellum | 43 | 54.4 |
| Pons | 30 | 37.9 |
| Mesencephalon | 1 | 1.3 |
| Medulla | 5 | 6.3 |
| Cerebellum peduncle | 25 | 31.6 |
| Cerebellum hemisphere | 18 | 22.8 |
| CT within 7 days after surgery | 79 | 100 |
| Yes | 25 | 31.6 |
| No | 54 | 68.4 |
| Complications | 79 | 100 |
| Yes | 7 | 8.9 |
| No | 72 | 91.1 |
| Complication type | 79 | 100 |
| FND | 7 | 8.9 |
| Transient FND | 4 | 5.1 |
| Permanent FND | 3 | 3.8 |
| Hemorrhage | 5 | 6.3 |
| 30-day mortality | 79 | 100 |
| Yes | 6 | 7.6 |
| No | 73 | 92.4 |
| 1-year survival | 60 | 75.9 |
| Yes | 42 | 70 |
| No | 18 | 30 |