brain, spinal cord, and nerve disorders
Some Specific Brain Tumors
Meningiomas
Meningiomas are among the most common brain tumors. They are usually noncancerous but may recur after they are removed. Meningiomas are the only brain tumor that is more common among women. They usually appear in people aged 40 to 60, but they can begin growing during childhood or later life. These tumors do not directly invade the brain but may compress the brain or Overview of the Cranial Nerves , block the absorption of cerebrospinal fluid, or do both. Meningiomas can also grow into bones in the head, sometimes causing visible changes and affecting vision and hearing. 