Table 1.
Characteristics of skull base chordoma patients
| Number of patients | n = 32 |
|---|---|
| Sex | |
| Females | 15/32 (47%) |
| Males | 17/32 (53%) |
| Age [years; median (range)] | 60 (23–76) |
| Skul base location | |
| Clivus | 21/32 (65.6%) |
| Clisvus and craniovertebral junction | 11/32 (34.4%0 |
| Surgery type | |
| Endoscopic endonasal | 31/32 (96.9%) |
| Craniotomy | 1/32 (3.3%) |
| Gross resection rate | |
| Complete | 11/32 (34.4%) |
| Subtotal | 16/32 (50%) |
| Partial | 5/32 (15.6%) |
| Recurrence status | |
| Newly diagnosed | 22/32 (69%) |
| Recurrent | 10/32 (31%) |
| Tumor size—max. diameter [mm; median (range)] | 8,5 (1–17) |
| Histological type | |
| Classical chordoma | 32 (100%) |
| Death status | |
| No | 19/32 (59%) |
| Yes | 13/32 (41%) |
| Follow up [months—median (range)] | 38 (6–97) |