356-357 / 2953
IMRT in other bone sarcomas and chordoma
More radio-resistant tumours
High doses of radiotherapy required ≥ 66 – 70+Gy
Local control rates for RT alone around 40% at 5 years
(protons +/- photons)
1
Increasingly, move towards using protons +/- photons, or
carbon ions
Inoperable tumours not approved for PBT in UK
42
1
Delaney T et al. Radiotherapy for local control of osteosarcoma. Int J Rad Oncol Biol Phys.
61:492 – 498, 2005