A 10 year old boy presents with midline swelling arising from cerebellum the diagnosis is –
Astrocytoma
Glioblastoma multiforme
Ependymoma
Medulloblastoma
Midline swelling arising from cerebellum in a child favour the diagnosis of medulloblastoma.
Robbin's states


"In children medulloblastomas are located in midline but in adults they are found in lateral locations".

Note -

Astrocytoma is also a posterior fossa tumor, but it does not commonly present as midline mass.