What is a brain tumor?
August 16th 2010 17:54
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A brain tumor is an abnormal mass of tissue in which some cells grow and multiply uncontrollably, apparently unregulated by the mechanisms that control normal cells. The growth of a tumor takes up space within the skull and interferes with normal brain activity. A tumor can cause damage by increasing pressure in the brain, by shifting the brain or pushing against the skull, and by invading and damaging nerves and healthy brain tissue. The location of a brain tumor influences the type of symptoms that occur. This is because different functions are controlled by different parts of the brain. Brain tumors rarely metastasize (spread) to other parts of the body outside of the central nervous system (CNS). The CNS includes the brain and spinal cord.
Some tumor types are more common in children than in adults. When childhood brain tumors occur in adults, they often occur in a different part of the brain than in children. Although most primary tumors attack member of both sexes with equal frequency, some, such as meningiomas, occur more frequently in women, whereas others, such as medulloblastomas, more commonly affect boys and young men.
The prognosis for brain tumor patients is as individual as the patients themselves. Your doctors will help you understand the possible repercussions of your specific tumor
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