Brain Tumours

RISK OF RADIONECROSIS FOLLOWING SRS TO THE RESECTION CAVITY

• Not always the clinical relevance of the so called “radionecrosis” is detailed. • Some papers do not mention toxicity or simply state that “no toxicity was observed”. • The actuarial risk could increase over time: 7% at 1 year ; 16% at 2 years ( Minniti at al, J Neurooncol 2013 ).