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How common are brain tumors?

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Primary brain tumors originate in the cells and tissues that make up the brain and central nervous system. Medical science can’t pinpoint exactly what causes the develop brain tumors. However, there are common factors that make some people more susceptible than others. read more

A brain tumor diagnosis can sound like a life-threatening situation. But although the symptoms of most brain tumors are the same, not all tumors are malignant. In fact, meningioma is the most common brain tumor, accounting for about 30 percent of them. Meningioma tumors are often benign: You may not even need surgery. read more

The most common types of adult brain tumors are gliomas as in astrocytic tumors. These tumors form from astrocytes and other types of glial cells, which are cells that help keep nerves healthy. The second most common type of adult brain tumors are meningeal tumors. read more

Some of the cancer cells may be carried to the brain by the blood or lymphatic fluid, or may spread from adjacent tissue. The site where the cancerous cells originated is referred to as the primary cancer. Metastatic brain tumors are often referred to as lesions or brain metastases. Metastatic brain tumors are the most common brain tumors. read more

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