paediatrics Brussels 17

MB Risk Groups (early 2000s)

• Standard (Average) Risk: • Chang Stage M0, complete resection or <1.5 cm 2 residual tumour on post-operative MR 24-72 hours after surgery • High risk: • M1-3 and/or >1.5 cm 2 residual tumour on post- operative MR 24-72 hours after surgery • Supratentorial PNET

• Large Cell Anaplastic Histology