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Brain tumors, the second common cancer following hematological malignancies account for up to 21% of all malignancies below 14 years of age. Medulloblastoma is a common form of Primitive neuro ectodermal tumor and likely arise from either the external granular layer (e.g., desmoplastic variant) or the subependymal matrix cells of the fourth ventricle (e.g., classic variant), or both. The clinical course of the disease is aggressive in children than in adults. The tumor can invade the CSFdoi:10.18203/2349-3291.ijcp20202162 fatcat:mi2zut7k5ncupfmbwn6y7inina