From: Intraoperative radiotherapy with low energy x-rays for primary and recurrent soft-tissue sarcomas
Characteristic | N | % |
---|---|---|
Age | ||
 Median Age (Range) [years] | 48 [15–77] | |
Gender | ||
 Male | 16 | 51.6 |
 Female | 15 | 48.4 |
Disease Status | ||
 Primary | 6 | 19.4 |
 Recurrent | 25 | 80.6 |
Tumor Location | ||
 Upper extremity | 3 | 9.7 |
 Lower extremity | 13 | 42 |
 Abdomen/pelvis | 11 | 35.5 |
 Thorax | 3 | 9.7 |
 Head and neck | 1 | 3.2 |
Histology | ||
 Liposarcoma | 9 | 29.0 |
 Leiomyosarcoma | 3 | 9.7 |
 Myxofibrosarcoma | 3 | 9.7 |
 Neurofibrosarcoma | 4 | 12.9 |
 Others | 12 | 38.7 |
Grading | ||
 G1 | 6 | 19.4 |
 G2 | 8 | 25.8 |
 G3 | 8 | 25.8 |
 Unknown | 9 | 29.0 |
Tumor Size | ||
 Mean/Range [cm] | 7.1 [1.8–22.0] | |
Prior RT | ||
 Yes | 13 | 41.9 |
 No | 18 | 58.1 |
Resection Status | ||
 R0 | 18 | 58.1 |
 R1 | 8 | 25.8 |
 R2 | 2 | 6.5 |
 Unknown | 3 | 9.7 |
IORT | ||
 Spherical applicator | 28 | 90.3 |
 Flat applicator | 3 | 9.7 |
 Dose (Range) [Gy] | 5–20 | |
EBRT after IORT | ||
 Yes | 15 | 48.4 |
 No | 16 | 51.6 |
Systemic therapy after IORT | ||
 Yes | 9 | 29.0 |
 No | 22 | 71.0 |