Table 3.
Primary cancer and intervals from diagnosis of primary malignancy to skull metastases
| Primary tumor | This study | Greenberg et al. 1981 [2] (skull base only) | ||
|---|---|---|---|---|
| No. | Median time (M, range) | No. | Median time (M, range) | |
| Breast | 96 (55%) | 71 (1–197) | 17 (40%) | 66 (2–192) |
| Lung | 25 (14%) | 9 (0–40) | 6 (14%) | 3 (0–36) |
| Prostate | 11 (6%) | 26 (0–132) | 5 (12%) | 23 (1–39) |
| Head and neck | 1 (1%) | 0 (0) | 6 (14%) | 12 (7–72) |
| Lymphoma | 9 (5%) | 4 (0–8) | 3 (7%) | 20 (18–32) |
| Miscellaneous | 34 (19%) | 7 (1–61) | 6 (14%) | 18 (1–132) |
| Total | 175 | 17 (0–197) | 43 | 23 (0–192) |