Intracranial ependymoma clinical features:
Incidence of CM: 11–29% of children following surgery for cerebellar tumors35 including medullo- blastoma (53%), posterior fossa ependymoma (33%) & pilocytic astrocytoma (11%).42 Risk factors for post-op CM fol- lowing surgery for medulloblastoma in children: brainstem involvement & midline location.43 Post-op CM has been observed in ≈ 1% of adults following p-fossa surgery.44