Brain Cancer (cont.)
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What Are Symptoms and Signs of Brain Cancer?
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Not all brain tumors cause symptoms, and some (such as tumors of the pituitary gland, some of which cause no symptoms) are found mainly after death, with the death not caused by the brain tumor. The symptoms of brain tumors are numerous and not specific to brain tumors, meaning they can be caused by many other illnesses as well. Many people have no awareness that they have brain cancer. The only way to know for sure what is causing the symptoms is to undergo diagnostic testing. Early symptoms may not occur; if they do, they occur for the following reasons and are listed below:
The following symptoms and warning signs are the most common:
Other nonspecific brain cancer symptoms and signs include the following:
In many people, the onset of these symptoms is very gradual and may be overlooked by both the person with the brain tumor and the person's family members, even for long time periods. Occasionally, however, these symptoms appear more rapidly. In some instances, the person acts as if he or she is having a stroke. In some patients, the symptoms may be more pronounced if the cancer is located mainly in a specific brain lobe that is usually responsible for certain body functions. For example, behavioral changes may predominate in frontal-lobe cancers while difficulty with speech or movements may predominate in cancers within the parietal lobe.
Medically Reviewed by a Doctor on 7/20/2017
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