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Glioblastoma RT
95% of relapses within irradiated volumes : Radioresistance
Dose escalation ? Where ?
Metabolic imaging ?
RT increases survival whatever age and OMS status : radiosensivity
Imaging technique already used in neurosurgery and neuroradiology
Guiding biopsies
Grading tumors
Differenciating necrosis from relapse
Magnetic Resonance Spectroscopic Imaging