Table 3 Treatment characteristics
From: Radiotherapy in the treatment of aggressive fibromatosis: experience from a single institution
|  | N = 44 | Percent | |
|---|---|---|---|
RT Technique | |||
 Photon | 28 | 66 | |
 3-D conformal RT | 8 | 18.2 | |
 IMRT | 20 | 45.5 | |
 Particle | 16 | 36.4 | |
 Protons | 15 | 34 | |
 Carbon ion | 1 | 2.3 | |
Prescribed total dose (Gy/ Gy (RBE)) | |||
 Median (Range, IQR) | 54 | 39.6–66, 50–60 | |
  < 50 | 5 | 11 | |
  ≥ 50 | 24 | 55 | |
  ≥ 60 | 15 | 34 | |
Single dose | |||
 Proton | 1.8 Gy/ Gy (RBE) | 14 | 31.8 |
 Photon | 2 Gy/ Gy (RBE) | 29 | 65.9 |
 Carbon ion | 3 Gy (RBE) | 1 | 2.3 |
 Volume reduction (percutaneous boost) | 4 | 9.1 | |
Intraoperative electron radiation therapy (IOERT) boost | |||
|  | 12 Gy | 4 | 8.4 |
Planning target volume (ml) | Â | Â | |
|  | Median (range, IQR) | 967.06 | (84–4364, 447–1988) |
| Â | Missing | 1 | 2.3 |
Premature discontinuation of RT | 4 | 9.1 | |