midline supratentorial masses

Question Number 1259

the following are true of midline supratentorial masses

a) optic chiasm gliomas are rare in childhood
b) third ventricle colloid cysts are of high signal on T2 weighted images
c) choroid plexus papillomas are often associated with deficient CSF production
d) pineoblastomas are commoner in children
e) in craniopharyngioma the plain skull film is usually normal


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