Cancer is when cells in the body split without control or order. They go on to form a growth or tumor. The term cancer refers to harmful growths. These growths attack nearby tissues. They also spread to the brain or spinal cord. It's not clear what causes this. It’s likely a mix of genes and the environment.
Your chances are higher if you:
Were exposed to radiation
Have problems with your immune system
Have people in your family with the same problems
Symptoms depend on the tumor's size and where it is. A growing tumor will often have fluid buildup around it. Fluid puts pressure on the brain.
Pressure may cause:
Astrocytoma and oligodendroglioma in adults. EBSCO DynaMed website. Available at: http://www.dynamed.com/topics/dmp~AN~T116413/Astrocytoma-and-oligodendroglioma-in-adults. Accessed January 29, 2021.
Brain tumors. American Association of Neurological Surgeons. Available at: http://www.aans.org/en/Patients/Neurosurgical-Conditions-and-Treatments/Brain-Tumors. Accessed January 29, 2021.
General information about adult primary central nervous (CNS) tumors. National Cancer Institute website. Available at: https://www.cancer.gov/types/brain/hp/adult-brain-treatment-pdq. Accessed January 29, 2021.
Overview of intracranial tumors. Merck Manual Professional Version website. Available at: https://www.merckmanuals.com/professional/neurologic-disorders/intracranial-and-spinal-tumors/overview-of-intracranial-tumors. Updated June 2018. Accessed July 26, 2018.
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