Radiographic and pathologic response of myxoid liposarcoma treated with preoperative radiotherapy
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16 jun 2025
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Categoría del artículo: research article
Publicado en línea: 16 jun 2025
Páginas: 176 - 182
Recibido: 14 ene 2025
Aceptado: 21 abr 2025
DOI: https://doi.org/10.2478/raon-2025-0032
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© 2025 Robert W Gao et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.
FIGURE 1.
FIGURE 2.
FIGURE 3.
Dosimetric comparison of original plan and replan for an individual patient
| Original plan | Replan | |
|---|---|---|
| V30Gy(%) | 10.3% | 0.3% |
| V45Gy(%) | 5.4% | 1.5% |
| V50Gy(%) | 1.8% | 0.4% |
| V30Gy(cc) | 101 cc | 82 cc |
| V45Gy(cc) | 13 cc | 6 cc |
| V50Gy(cc) | 2 cc | 1 cc |
| Mean dose | 23 Gy | 16 Gy |
| Mean dose | 10 Gy | 6 Gy |
Radiographic and pathologic characteristics
| N = 20 | |
|---|---|
| Stable | 4 (20%) |
| Decrease | 16 (80%) |
| Increase | 1 (5%) |
| Not present | 15 (75%) |
| Decrease | 4 (20%) |
| Increase | 4 (20%) |
| Stable | 5 (25%) |
| Decrease | 11 (55%) |
| Increase | 11 (55%) |
| Stable | 9 (45%) |
| Low | 18 (90%) |
| High | 2 (10%) |
| Negative | 18 (90%) |
| Positive | 2 (10%) |
| Median (IQR) | 9 (7–15) |
| Median (IQR) | 5 (5–35) |
| Median (IQR) | 16 (80%) |
Patient and radiotherapy characteristics
| N = 20 | |
|---|---|
| Female | 8 (40%) |
| Male | 12 (60%) |
| Median (IQR) | 51 (39–60) |
| Lower extremity, proximal | 13 (65%) |
| Lower extremity, distal | 3 (15%) |
| Trunk | 4 (20%) |
| 1 (5%) | |
| Neoadjuvant | 1 (5%) |
| Adjuvant | 1 (5%) |
| 3D conformal | 11 (55%) |
| IMRT | 8 (40%) |
| IMPT | 1 (5%) |
| 36 Gy | 3 (15%) |
| 50 Gy | 16 (80%) |
| 56.25 Gy | 1 (5%) |
| 1 (5%) | |
| 1 (5%) |