A meningioma is a tumor that arises from the meninges — the membranes that surround your brain and spinal cord. Most meningiomas are noncancerous (benign), though rarely a meningioma may be cancerous (malignant). Some meningiomas are classified as atypical, meaning they're neither benign nor malignant but, rather, something in between.
Meningiomas occur most commonly in older women. But a meningioma can occur in males and at any age, including childhood.
A meningioma doesn't always require immediate treatment. A meningioma that causes no significant signs and symptoms may be monitored over time.
May. 02, 2014
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