What is a benign brain tumor?
A benign brain tumor consists of very slow growing cells, has distinct borders, and rarely spreads. When viewed microscopically, the cells have an almost normal appearance. Surgery alone might be an effective treatment for this type of tumor. A brain tumor composed of benign cells, but located in a vital area, can be considered to be life-threatening – even though the tumor and its cells wouldn’t be classified as malignant. What is a malignant brain tumor? A malignant brain tumor is life-threatening, invasive and often grows rapidly. Other malignant tumors are invasive but grow more slowly. Malignant brain tumors are often called brain cancer. Since primary brain tumors rarely spread outside the brain and spinal cord, they do not exactly fit the general definition of cancer. The incidence of brain tumors in the United States, for the year 2006: 18,820 patients were diagnosed with brain tumors of which 10,730 were males and 8,090 females. What are Primary vs. Metastatic Brain Tumors? Pr