342-343 / 2953
IMRT in Ewing’s Sarcoma
IMRT shown to be superior to 3D-CRT in two small
planning studies (5 patients)
IMRT used in 43% of cases of a series of 33 spinal and
pelvic tumours
1
Retrospective review at UCH of 24 cases of Ewing’s
sarcoma of pelvis/spine treated with 3D-CRT showed that
the optimal radiotherapy dose could only be safely
achieved in 70% (unpublished data)
Increasing use of PBRT means that further data on IMRT
unlikely
35
1
La TH et al. Radiation therapy for Ewing’s sarcoma: Results from Memorial Sloan Kettering in
the modern era. Int J Rad Oncol Biol Phys, 2006:64:544-550.