Table 1.
Treatment characteristics of 14 patients with 56 lesions
| parameter | value |
|---|---|
| Treatment machine (number of lesions) (%) | |
| X-Knife | 17 (30) |
| CK | 39 (70) |
| Radiation technique (number of lesions) (%) | |
| SRS | 38 (68) |
| HSRT | 18 (32) |
| Median marginal dose (Gy) (range) | |
| X-Knife | 21 (10–32) |
| CK | 20 (11.5–30) |
| Median number of fractions (range) | |
| X-Knife | 1 (1–10) |
| CK | 1 (1–5) |
| Median prescribed isodose (%) (range) | |
| X-Knife | 70 (54–81) |
| CK | 80 (60–90) |
| Median pretreatment tumor volume (cm3) (range) | 0.26 (0.026–20.4) |
CK = CyberKnife, SRS = stereotactic radiosurgery, HSRT = hypofraction stereotactic radiotherapy.