Which one of the following viral infections can increase the risk of the brain tumor?
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Some viral infections are known to cause brain tumors. Scientists have found high levels of cytomegalovirus in brain tumor tissue.
Brain tumors occur only in old age.
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Brain tumors can occur at any age. The most common type of brain tumors among children are medulloblastoma, Grade I or II astrocytoma, ependymoma and brain stem glioma. Among adults, the most common are astrocytoma, meningiom and oligodendroglioma.
Which one of the following is a symptom of brain tumor?
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Symptoms caused due to brain tumor depends on tumor's size, location, and how far it has spread. Apart from the symptoms mentioned above, the other common symptoms include headaches, confusion or memory loss, difficulty swallowing, problems with vision and so on.
There are two main types of brain tumor.
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The two main types of brain tumor are - Primary brain tumor and Secondary or metastatic brain tumor. A primary brain tumor is a tumor that begins in the brain tissue. If a cancerous tumor grows elsewhere in the body, it can spread cancer IQ cells, which grow in the brain. These brain tumors are known as secondary or metastatic brain tumors.
X-ray can cause brain tumor.
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Doctors have found that ionizing radiation from high does X-rays can cause brain tumor. People are exposed to high dose X-rays when they are undergoing radiation therapy. This causes damage of cells and can lead to brain tumor.
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