Brain tumors are developed inside the brain or anywhere in the central nervous system or inside the skull. We name all of them ‘brain tumors’ but, actually only around half of them have malignant (cancerous) brain tumors. The rest of the tumors are non-cancerous, or just the tumors, which have not been diagnosed as non-cancerous or cancerous. It is usually because of the tumors in such an area of your brain that it is too difficult to take them out as samples to make a proper diagnosis.
There are various kinds of primary brain tumors. Everyone gets its title from the kind of cells involved.
These particular tumors arise in the spinal cord or brain and contain glioblastomas, astrocytomas, oligodendrogliomas, ependymoma, and oligoastrocytomas.
A meningioma is a tumor that develops from the brain surrounding membrane and spinal cord. Most meningiomas are regarded as noncancerous.
Acoustic neuromas (schwannomas)
These are non-threatening tumors that grow on nerves that control equilibrium and transfer hearing from the inner ear to the brain.
These are typically non-malignant tumors that grow in the pituitary gland at the ground of the brain. These tumors may harm pituitary hormones. As a result, it affects the whole body.
These tumors are the most usual cancerous brain tumors for children. A medulloblastoma rises in the lower back of the brain and inclines to an extent over the vertebral fluid. These tumors are not common in adults, but they may occur.
These rare and noncancerous tumors develop near the brain’s pituitary gland, which secretes hormones that switch many corporeal activities. As the craniopharyngioma grows slowly, it can harm the pituitary gland and other components near the brain.
The cause of brain tumor
Primary brain tumors develop in the brain or in tissues near it, like in the brain-casing membranes (meninges), pituitary gland, pineal gland, or cranial nerves. Primary brain tumors arise when normal cells gain errors (mutations) in DNA. These changes permit cells to develop and separate at good rates. They remain living when vigorous cells die. The effect is a collection of uncharacteristic cells, which build a tumor. Primary brain tumors are less common than secondary brain tumors, in which cancer develops and spreads to the brain.
Doctors actually do not know the correct reasons for primary brain tumors. There are also several risk factors in this situation. Genetic diseases move you at risk for a brain tumor. This includes neurofibromatosis and Turcot syndrome. If you have brain cancer, then you have to go through radiation therapy treatment. This treatment also increases the probability of brain tumors. You don’t have any proof that cell phone is responsible for brain cancer. National Cancer Institute reports that, though cell phone usage has increased considerably from 1992 to 2008, the frequency of glioma has not increased much in this particular time. Studies always exposed new paths of observation. Some European researchers have considered to some extent a greater risk of brain tumors along with continuous cell phone usage.
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