Table 1.
Patient Demographics and Tumor Features.
| ID | Age | Sex | Location | Pathology |
| CHD1 | 32 | M | Clivus | Classic |
| CHD2 | 42 | F | Clivus | Classic |
| CHD3 | 65 | M | Clivus | Classic |
| CHD6 | 12 | F | Clivus | Classic |
| CHD7 | 13 | F | Clivus | Classic |
| CHD8 | 22 | F | Clivus | Classic |
| CHD9 | 36 | M | C1–C2 | Chondroid |
| CHD10 | 26 | F | Clivus | Classic |
| CHD11 | 83 | F | Clivus | Classic |
| CHD12 | 63 | F | Clivus | Classic |
| CHD13 | 55 | F | Clivus | Chondroid |
| CHD14 | 22 | F | Clivus | Chondroid |
| CHD15 | 51 | M | Clivus | Classic |
| CHD16 | 42 | F | Clivus | Classic |
| CHD17 | 35 | M | Clivus | Classic |
| CHD18 | 38 | M | Clivus | Classic |
| CHD19 | 31 | F | Clivus | Classic |
| CHD20 | 37 | F | Clivus | Classic, Recurrence of CHD19 |
| CHD21 | 43 | M | Clivus | Classic |
| CHD22 | 35 | F | Clivus | Classic |
| CHD23 | 65 | M | Clivus | Classic |
| CHD26 | 50 | M | Clivus | Classic |