Table 1.
Summary of patient characteristics
| Parameter | No (%) |
|---|---|
|
Number of patients
|
34 |
|
Sex (F/M)
|
23/11 |
|
Age (years)
|
|
| Median |
59 |
| < 65 |
23 |
| ≥ 65 years |
11 |
|
Histology
|
|
| NSCLC |
12 |
| Breast carcinoma |
16 |
| Colon carcinoma |
2 |
| Others* |
4 |
|
KPS
|
|
| Median |
70 |
| >70 |
18 |
| ≤70 |
16 |
|
Extracranial diseae
|
|
| Present |
21 |
| Absent |
13 |
|
Number of metastases
|
|
| Single |
23 |
| Multiple [2,3] |
11 |
|
Location |
|
| CS only |
7 |
| CS and retrorbital space |
4 |
| CS and clivus |
6 |
| CS and/or sellar/suprasellar space |
14 |
| CS and petrus bone |
3 |
|
GTV (cm
3
)
|
|
| Median |
8.5 |
| Range |
1.9 - 25.8 |
|
PTV (cm
3
)
|
|
| Median |
12.8 |
| Range |
3.4 - 35.8 |
|
Conformity index
|
|
| Median |
1.61 |
| Range | 1.28-2.12 |
KPS, Karnofsky Performance Status; GTV, Gross Target Volume; PTV, Planning Target Volume.
*Others histologies included two melanomas, one renal cell, and one prostate carcinoma.