Solid Tumours
CNS
2:100,000
2nd most common paediatric malignancy after leukaemia (i.e. most common solid tumour)
0-3y: supratent oral
4-10y: infratentoral
10y+: equal
>HC
Nausea
Lethargy
Headache
Seizure
Focal neurology
Endocrine
Retinoblastoma
Post fossa (often seed to spine)
Medulloblastoma
Ependymoma
Astrocytoma
Supratent
Teratoma
Germinoma
Astro
Ix
CT if concern re ICP (bleed, Hydroceph, coning)
otherwise MRI
with spine for posterior fossa tumour to look for drop metastases