preoperative stereotactic RT (5 × 5 Gy), surgery, and postoperative normofractionated RT (25 × 2 Gy)
RT hipofx sarcoma preOP - SBRT preOP 25Gy/5fx - Cirugía - RT convencional PO (50Gy/25fx)
preoperative stereotactic RT (5 × 5 Gy), surgery, and postoperative normofractionated RT (25 × 2 Gy)
RT hipofx sarcoma preOP - SBRT preOP 25Gy/5fx - Cirugía - RT convencional PO (50Gy/25fx)
GTV prescription was commonly 52.5 Gyin 15 fractions
Sarcoma metastásico o irresecable RT hipofraccionada: GTV 52.5 Gy en 15 fx --> CTV 45 Gy en 15 fx GTV 45Gy en 15 fx --> CTV 37.5 Gy en 15 fx
5 Gy in 15 fractions (59% ≥45 Gy)
Sarcoma metastásico o irresecable RT hipofraccionada: 45Gy en 15 fx
The classic cytogenetic abnormality associated with this disease is a reciprocal translocation of the long arms of chromosomes 11 and 22, t(11;22), which creates a chimeric gene product of unknown function with components from the fli-1 gene on chromosome 11 and ews on 22.
Ewing's sarcoma