Brain tumor means abnormal or uncontrolled growth of cells in the brain. Tumors grow inside the skull and pressurize the brain. They show symptoms depending on the region they are in and the area they apply pressure to. The most common symptoms of brain tumors include the following:
It is not definitely known what the factors that cause brain tumors are. However, exposure of people to a number of hazardous chemicals is thought to be effective in the formation of brain tumors.
Brain tumors can be benign or malign. Benign brain tumors do not contain cancer cells. General characteristics of benign tumors are:
Malignant brain tumors have the following characteristics:
Whether benign or malignant, surgical treatment is always the best treatment method for brain tumors. However, some brain tumors may be very close to the brain and at high risk for surgery. For this reason, surgical operation can not be performed, chemotherapy and radiation therapy are applied.