cerebellar astrocytoma

Question Number 1217

the following are true features of cerebellar astrocytoma

a) it is NOT the most frequent posterior fossa tumour in childhood
b) it is usually high grade in nature at diagnosis
c) calcification is present in over 50%
d) a mural nodule, when present, demonstrates intense homogeneous enhancement on contrast enhanced CT
e) on angiography shows high vascularity

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