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WHO Grade II
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Ependymoma (conventional)
Most common brain tumor in young children
Most common type of spinal glioma in adults
Often develop in the ventricles when intracranial
Several variants exist making diagnosis challenging:
Cellular ependymoma
Papillary ependymoma
Clear cell ependymoma
Tanycytic ependymoma
Can potentially recur as a higher grade tumor even after treatment