Rationale: The present study evaluates the effect of pre-irradiation chemotherapy in pediatric patients with high risk medulloblastoma. Twenty-four (24) pediatric patients attended the pediatric unit of Kasr-El-Aini Center of Radiation Oncology and Nuclear Medicine (NEMROCK) from January 2000 to January 2003.
Patients And Methods: Our patients were 13 boys and 11 girls aged 3-12 years with a median of 6.