In children most common posterior fossa tumour is:
High-Yield Explanation
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.