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Primary tumors Tumors occurring in the brain include: •Astrocytoma •Pilocytic astrocytoma •Dysembryoplastic neuroepithelial tumor •Oligodendrogliomas •Ependymoma •Glioblastoma multiforme •Mixed gliomas •Oligoastrocytomas •Medulloblastoma •Retinoblastoma •Neuroblastoma •Germinoma •Teratoma

Secondary tumors and non-tumor lesions Secondary or metastatic brain tumors originate from malignant tumors (cancers) located primarily in other organs •Lung cancer

  • Skin cancer

•Malignant melanoma •Hypernephroma •Breast cancer •Colon carcinoma


WHO* classification of primary brain tumors according to histology and grade (uptodate)

Astrocytic tumors

  • Pilocytic astrocytoma
  • Diffuse astrocytoma
  • Anaplastic astrocytoma
  • Glioblastoma


Oligodendroglial and oligoastrocytic tumors

  • Oligodendroglioma
  • Anaplastic oligodendroglioma
  • Oligoastrocytoma
  • Anaplastic oligoastrocytoma
  • Glioblastoma with oligodendroglioma component

Ependymal tumors

  • Subependymoma
  • Myxopapillary ependymoma
  • Ependymoma
  • Anaplastic ependymoma

Choroid plexus tumors

Choroid plexus papilloma Choroid plexus carcinoma

Neuronal and mixed neuronal-glial tumors

  • Ganglioglioma
  • Central neurocytoma
  • Filum terminale paraganglioma
  • Dysembryoplastic neuroepithelial tumor (DNET)

Pineal parenchymal tumors

  • Pineocytoma
  • Pineoblastoma

Embryonal tumors

  • Medulloblastoma
  • Supratentorial primitive neuroectodermal tumor (PNET)
  • Atypical teratoid/rhabdoid tumor