paediatrics Brussels 17

Subgroup features

• WNT : occur mainly along the CP/CPA axis - good prognosis • SHH : >50% cerebellar hemispheric - intermediate prognosis • GP 3 : primarily midline/juxtaventricular, enhancement +/++ - poor prognosis, early dissemination • Gp 4 : midline/4 th ventricle based, enhancement 0/+ - dissemination common