In children most common posterior
fossa tumour is:
a) Meningiomas
b) Astrocytoma
c) Medulloblastoma
d) Glioblastoma multiforme
Correct Answer - B
Answer is B (Astrocytoma):
Cerebellar Astrocytomas are the most common posterior .fossa
tumors in children.
Medulloblastoma are the second most common posterior fossa
tumors in children and the most common malignant posterior fossa
tumors in children.
Although CPDT and Nelson’s textbook mention an equal incidence
of cerebellar astrocytoma and medulloblastoma in the posterior
fossa in children, most other standard textbooks mention cerebellar
astrocytomas as the most common posterior fossa tumors in
children.