Treatment and Outcome

The primary treatment is surgical resection for the purposes of obtaining a tissue diagnosis, eliminating tumor burden and relieving mass effect. For those children presenting with obstructive hydrocephalus, a CSF diversionary procedure such as a ventriculoperitoneal (VP) shunt or third ventriculostomy is often necessary, although this can frequently be performed at the same time as tumor resection. Generally, if the tumor is restricted to the vermis or cerebellar hemisphere, a radiologically complete

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