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What should you know about meningioma?

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A meningioma is a tumor that forms on membranes that cover the brain and spinal cord just inside the skull. Specifically, the tumor forms on the three layers of membranes that are called meninges. Most meningiomas occur in the brain, but they can also grow on parts of the spinal cord. As many as 90% are benign (not cancerous). A small number of meningiomas are cancerous.

From: Meningioma WebMD Medical Reference

SOURCES:

Cedars-Sinai: "Meningiomas Brain Tumors."

Brigham and Women's Hospital: "Facts about Meningiomas."

Johns Hopkins Medicine web site: "Grades of Meningioma," "Stereotactic Radiosurgery," "What Is a Meningioma?" "Types of Meningioma," "Diagnosis of Meningioma," "Treatment of Meningioma."

American Academy of Neurological Surgeons: "Meningiomas."

Medscape: "Pathophysiology."

UCLA Health System web site: "What Is a Meningioma?"

Reviewed by Laura J. Martin on July 14, 2017

SOURCES:

Cedars-Sinai: "Meningiomas Brain Tumors."

Brigham and Women's Hospital: "Facts about Meningiomas."

Johns Hopkins Medicine web site: "Grades of Meningioma," "Stereotactic Radiosurgery," "What Is a Meningioma?" "Types of Meningioma," "Diagnosis of Meningioma," "Treatment of Meningioma."

American Academy of Neurological Surgeons: "Meningiomas."

Medscape: "Pathophysiology."

UCLA Health System web site: "What Is a Meningioma?"

Reviewed by Laura J. Martin on July 14, 2017

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What are the causes and risks factors of meningioma?

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