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Incidence; Causes & Development In 2004, roughly 35,000 Americans were being diagnosed with a primary brain tumor, and another 150,000 patients with brain tumors that have spread from other parts of the body. Improvements in diagnosis led to a sudden jump in reports of brain cancer in the mid-1980s, but the numbers have since leveled off. But not all tumors are cancerous: some are benign. Cancerous tumors in the brain typically don't spread to distant areas of the body, but they can invade other areas of the brain and the spinal cord.
The cells in these tumors, known as secondary brain tumors, resemble cells from the original cancers -- not brain cells. Most brain cancers are called gliomas, which means they arise in the tissue in the brain known as glial tissue. For example, chemists, embalmers, and people who work in oil refineries, rubber factories, or drug factories may be at slightly higher-than-average risk. The headache may be especially bad in the morning and then fade during the day.
Treatment & Prevention Many patients beat this disease, but they do it by focusing significant time and energy on treatment. |
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