SESSION 1: PEDIATRIC POSTERIOR FOSSA TUMORSModerator: Nasjla Saba da Silva (SP) 15 | Pediatric posterior fossa tumors: wich is the role of the radiologist? 15 | Integrating IH up to methylation in the WHO Classification for diagnosis of posterior fossa tumors in children and adolescents.What does the neuro-oncologist need to know? 15 | How to avoid complications in posterior fossa surgery for pediatric patients? 15 | Safeness and complications of radiotherapy for pediatric posterior fossa patients 15 | The Brazilian Medulloblastoma Protocol for children and adolescents > 4 years oldSpeaker: Sidnei Epelman (SP) 15 | Unresectable Low-grade glioma: Chemotherapy x Target therapy, what is the best treatment at diagnosis? 45 | Discussion |