Children
4th ventricle
Solid, pupillary mass extending from floor of 4th ventricle.
Micro: uniform cells with round nuclei in a fibrillation stroma are arranged in a perivascular pseudo rosette formation; commonly have blepharoplasts.
Obstructive hydrocephalus; seizures, nausea, vomiting, headaches, increased Intracranial PRESUre.
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