From: Clinical results of mean GTV dose optimized robotic guided SBRT for liver metastases
Total | % | ||
---|---|---|---|
Patients | 52 | ||
Lesions | 91 | ||
Gender | |||
Male | 30 | 57.7 | |
Female | 22 | 42.3 | |
Age | Median (range) in years | 62 | (37–89) |
Karnofsky-Index | Median (range) in % | 90 | (60–100) |
Primary Tumor | |||
Colorectal | 22 | 42.3 | |
Breast | 4 | 7.7 | |
Lung | 4 | 7.7 | |
Other | 22 | 42.3 | |
Extra-hepatic Disease | |||
No | 33 | 63.5 | |
Yes | 19 | 36.5 | |
Time of SBRT | |||
At first diagnosis of metastases | 14 | 26.9 | |
After local therapy | 5 | 9.6 | |
After chemotherapy | 33 | 63.5 | |
Time to SBRT | Median (range) in months | 7 | (0–56) |
Lesions per Treatment | |||
1 | 39 | 63.9 | |
2 | 17 | 27.9 | |
3 | 2 | 3.3 | |
4 | 3 | 4.9 | |
Total | |||
Repeat Procedures | |||
2 | 3 | 5.8 | |
3 | 3 | 5.8 | |
GTV Volume | Median (range) in cc | 12 | (1–372) |
Max GTV Dimension | Median (range) in cm | 2.8 | (1.2–8.9) |
PTV Dose per Lesion | |||
3 × 15 Gy | 21 | 23.0 | |
3 × 14 Gy | 10 | 11.0 | |
3 × 13 Gy | 15 | 20.9 | |
3 × 12 Gy | 14 | 15.4 | |
3 × 8-10 Gy | 10 | 11.0 | |
4 × 7-10 Gy | 11 | 12.1 | |
5 × 6-9 Gy | 10 | 11.0 | |
PTV Prescription BED | Median (range) in Gy | 86.1 | (40.6–112.5) |
GTV Mean BED | Median (range) in Gy | 142.1 | (60.2–165.3) |