Radiographic and pathologic response of myxoid liposarcoma treated with preoperative radiotherapy
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16 juin 2025
À propos de cet article
Catégorie d'article: research article
Publié en ligne: 16 juin 2025
Pages: 176 - 182
Reçu: 14 janv. 2025
Accepté: 21 avr. 2025
DOI: https://doi.org/10.2478/raon-2025-0032
Mots clés
© 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%) |