What are the types of Adult Brain Cancer?

By  ,  National Institute of Health
Jan 10, 2013
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• Astrocytic Tumors
        -Brain Stem Gliomas
       - Pineal Astrocytic Tumors
       - Pilocytic Astrocytomas
        -Diffuse Astrocytomas
        -Anaplastic Astrocytomas
        -Glioblastoma
• Oligodendroglial Tumors
• Mixed Gliomas
• Ependymal Tumors
• Embryonal Cell Tumors: Medulloblastoma
• Pineal Parenchymal Tumors
• Meningeal Tumors
• Germ Cell Tumors
• Tumors of the Sellar Region: Craniopharyngioma
• Recurrent Brain Tumors
• Metastatic Brain Tumors

 

Astrocytic Tumors

 

An astrocytic tumor begins in star-shaped brain cells called astrocytes, which help keep nerve cells healthy. An astrocyte is a type of glial cell and is sometimes called a glioma. Astrocytic tumors include the following:


•    Brain stem glioma:

 

A brain stem glioma forms in the brain stem, which is the part of the brain connected to the spinal cord. It is often a high-grade tumor, which spreads widely through the brain stem and is hard to cure. A brain stem glioma rarely occurs in adults.


•    Pineal astrocytic tumor:

 

A pineal astrocytic tumor forms in tissue around the pineal gland and may be any grade. The pineal gland is a tiny organ in the brain that makes melatonin, a hormone that helps control the sleeping and waking cycle.


•    Pilocytic astrocytoma (grade I):

 

A pilocytic astrocytoma grows slowly in the brain or spinal cord. It may be in the form of a cyst and rarely spreads into nearby tissues. This type of tumor is most common in children and young adults and in people with neurofibromatosis type 1 (NF1). A pilocytic astrocytoma rarely causes death.


•    Diffuse astrocytoma (grade II):

 

A diffuse astrocytoma grows slowly, but often spreads into nearby tissues. Sometimes a diffuse astrocytoma progresses to a higher grade and becomes an anaplastic astrocytoma or a glioblastoma. A diffuse astrocytoma can form in any part of the brain but most often forms in the cerebrum. It is most common in young adults and in people with Li-Fraumeni syndrome. It is also called a low-grade diffuse astrocytoma.


•    Anaplastic astrocytoma (grade III):

 

An anaplastic astrocytoma grows quickly and spreads into nearby tissues. An anaplastic astrocytoma may progress to a higher grade and become a glioblastoma. An anaplastic astrocytoma forms most often in the cerebrum and is most common in adults. An anaplastic astrocytoma is also called a malignant astrocytoma or high-grade astrocytoma.


•    Glioblastoma (grade IV):

 

A glioblastoma grows and spreads very quickly. A glioblastoma forms most often in the cerebrum. This type of tumor is most common in adults. This type of tumor has a poor prognosis. It is also called glioblastoma multiforme.

 

Oligodendroglial Tumors

 

An oligodendroglial tumor begins in brain cells called oligodendrocytes, which help keep nerve cells healthy. Oligodendrocytes are a type of glial cell and are sometimes called a glioma. Grades of oligodendroglial tumors include the following:


•    Oligodendroglioma (grade II):

 

An oligodendroglioma grows and spreads slowly and the tumor cells look very much like normal cells. This type of tumor most often ...

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