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Types of Brain Tumors

A meningioma is a brain tumor that develops in the meninges, which is the protective membrane covering the brain directly underneath the skull. This kind of tumor is usually benign, grows slowly, and usually occurs in women between 30 and 50 years of age.
A schwannoma is a tumor that arises from a Schwann cell. Schwann cells line the nerve in the inner ear that controls balance and hearing. This tumor is also called an acoustic neuroma, and it usually occurs in adults.
A craniopharyngioma is a brain tumor that grows at the base of the brain, near the pituitary gland. Craniopharyngiomas do not spread, but may interfere with important structures near them, causing serious problems. This type of brain tumor usually occurs in children.
Germ Cell Tumor of the Brain
Germ cell tumors arise from germ cells, which are cells that are meant to form sperm in the testicles or eggs in the ovaries. These cells may travel to other parts of the body and form tumors. The most common germ cell tumor of the brain is a germinoma. Other types of germ cell tumors include:
  • Embryonal cell carcinomas
  • Choriocarcinomas
  • Teratomas.
Germ cell tumors can occur anywhere in the body, and can be either benign or malignant. Germ cell tumors usually form in the center of the brain, near the pineal gland, and can spread to other parts of the brain and spinal cord. This kind of tumor usually occurs in children.
Pineal Region Tumor
Pineal tumors form in or near the pineal gland. The pineal gland is a tiny organ in the brain located between the cerebrum and cerebellum. It produces the hormone melatonin, which is a substance that helps control our sleeping and waking cycle. There are several kinds of pineal tumors. However, brain tumors of this type are rare.
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