Table 1.
Patients characteristics*.
| Age | ||
|---|---|---|
| Average (range.) | 56.5 (43.9–70.6) | |
| Number of patients | % | |
| ER | ||
| positive | 6 | 37.5% |
| negative | 9 | 56.3% |
| Unknown | 1 | 6.3% |
| PgR | ||
| positive | 4 | 25.0% |
| negative | 11 | 43.8% |
| Unknown | 1 | 6.3% |
| HER2 | ||
| positive | 7 | 43.8% |
| negative | 7 | 43.8% |
| Unknown | 2 | 12.5% |
| de novo Stage IV or Rec. | ||
| de novo Stage IV | 2 | 12.5% |
| Rec. | 14 | 82.4% |
| Systemic chemotherapy | ||
| Yes | 14 | 87.5% |
| No | 2 | 12.5% |
| Radiation therapy | ||
| Yes | 2 | 12.5% |
| No | 14 | 87.5% |
*Age: Age at brain surgery; ER: Estrogen receptor; PgR: Progesteron receptor; HER2: Humane epidermale groeifactor receptor 2; Rec.: Recurrence; Systemic chemotherapy: Systemic chemotherapy before brain surgery; Radiation therapy before brain surgery.