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Brain Tumors
A brain tumor occurs when abnormal cells form within the brain. They can also indirectly damage cells by pushing on other parts of the brain. This can lead to swelling and increased pressure inside the skull. There are two main types of tumors: malignant or cancerous tumors and benign tumors.
Brain tumors can occur at any age. In children, brain tumors are among the most common type of malignancy.
Symptoms may include headaches, seizures, sensory and motor loss, hearing loss, vision loss, fatigue, depression, behavioral and cognitive changes and endocrine dysfunction. These symptoms may be associated with the type, size and/or location of the tumor, as well as the treatment used to mange the tumor. Surgery, radiation, and chemotherapy are therapies used to help reduce and/or get rid of the tumor.
The average five year survival rate for brain cancer in the United States is 33%. There is no known environmental factors associated with brain tumors.
