The cause of<unk> s is unknown. Some studies have linked<unk>  with a viral cause. A 2009 Oxford Neurosymposium study illustrated a 69% correlation between NJDS gene mutation and the tumor initiation. A single case report has linked<unk>  to irradiation of pituitary adenoma.
Oligodendroglioma
Neurothekeoma
Pilocytic astrocytoma
Astroblastoma
Ependymoma
Astrocytoma
Glioblastoma
Giant-cell glioblastoma