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

Bacteroides Clostridium Cryptococcus neoformans Cysticercosis Enterobacteriaceae Fusobacterium Haemophilus Pseudomonas aeruginosa Staphylococcus aureus Streptococcus Toxoplasma gondii