Sandbox kiran3

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