Physics Bucharest 2017
Craniospinal irradiation
Medulloblastoma
• Primitive neuro-ectodermal tumour which arises most commonly in the cerebellum • Most common primary CNS tumour in children (20%) but uncommon in adults (0.5 cases per 100,000)
• Most commonly arises in the posterior fossa – Spread commonly in craniospinal axis – Systemic metastasis is uncommon but reported – Presenting symptoms: Hydrocephalus related symptoms Cerebellar symptoms Leptomeningeal symptoms
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