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What's the difference between benign and malignant brain tumors?

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Benign brain tumors are noncancerous. Malignant primary brain tumors are cancers that originate in the brain, typically grow faster than benign tumors, and aggressively invade surrounding tissue. Although brain cancer rarely spreads to other organs, it can spread to other parts of the brain and central nervous system. Benign brain tumors usually have clearly defined borders and usually are not deeply rooted in brain tissue. This makes them easier to surgically remove, assuming they are in an area of the brain that can be safely operated on. But even after they've been removed, they can still come back, although benign tumors are less likely to recur than malignant ones.

From: Brain Tumors in Adults WebMD Medical Reference

SOURCES:

MedlinePlus Encyclopedia: "Brain tumor - primary - adults."

National Cancer Institute: "National Cancer Institute Brain Tumor Study in Adults: Fact Sheet."

National Cancer Institute: "What You Need to Know About Brain Tumors."

National Cancer Institute: "General Information About Brain Tumors."

American Brain Tumor Association: "Symptoms."

National Cancer Institute: "Adult Brain Tumors Treatment."

Reviewed by Jennifer Robinson on May 08, 2019

SOURCES:

MedlinePlus Encyclopedia: "Brain tumor - primary - adults."

National Cancer Institute: "National Cancer Institute Brain Tumor Study in Adults: Fact Sheet."

National Cancer Institute: "What You Need to Know About Brain Tumors."

National Cancer Institute: "General Information About Brain Tumors."

American Brain Tumor Association: "Symptoms."

National Cancer Institute: "Adult Brain Tumors Treatment."

Reviewed by Jennifer Robinson on May 08, 2019

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What are the symptoms of a brain tumor in adults?

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