How many types of brain tumors are there, what is the treatment? Brain tumor, or brain cancer, is defined as the uncontrolled abnormal growth of brain cells and the disease it causes. Tumor and cancer cells are different from normal cells and brain muscle. In the case of cancer, brain cells grow uncontrollably many times. And, they destroy or displace the cells and tissues around them. More than 150 types of tumors have been discovered in the brain so far. Brain tumors can be divided into two parts: primary brain tumors and metastatic tumors. Primary brain tumors Primary brain tumors arise from parts of the brain such as tissues, cells, and membranes. Types of primary brain tumors Glial tumors: These are tumors made up of cells. Non-glial tumor: This is a tumor that forms in the nerves, blood vessels, glands, and brain structures. Benign tumor: This tumor is harmless. Malignant tumor: This can turn into a harmful cancer. Metastatic tumor: This is a tumor that forms when tumors tha...
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