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All about brain cancer causes of brain cancer risk factors for brain cancer symptoms of brain cancer diagnosis of brain cancer brain cancer treatment

What're the risk factors for brain cancer?

Age - Although brain cancers can occur at any age, they are more common in children under 12 and in adults over 40. Tumors in the central nervous system are now the most common cancers in children, but they are still rare. About 1,500

children are diagnosed with brain tumors each year, although half are benign. Brain tumors in children are more likely to occur in the cerebellum, the midbrain, or the optic nerve.

Genetic factors - Genetic mutations and deletions of tumor suppressor genes (i.e., genes that suppress the development of malignant cells) increase the risk for some types of brain cancer. It is very rare for brain cancers to run in families. When they do, it is usually because of a rare inherited disorder caused by a gene mutation, such as Von-Hippel Lindau disease.

Immune system disorders - There is an increased risk of developing brain cancer if the immune system is impaired. Some people are born with an impaired immune system. It can also be a side effect of certain cancer treatments or organ transplantation. People with acquired immune deficiency syndrome (AIDS) are also at increased risk.

Environmental factors - Some types of brain tumors appear to occur more frequently in people who are exposed to radiation or certain chemicals, such as those who work in oil refining, rubber manufacturing, and chemical and nuclear industries. But a definite link between exposure to chemicals and brain tumors hasn't been proved. Similarly, electromagnetic fields and the use of cell phones have been studied as causes of primary brain tumors, but no definitive medical evidence indicates that either causes brain tumors.

More information on brain cancer

What is brain cancer? - Brain cancers are abnormal growths of tissue found inside the skull. Cancers that start in the brain are called primary brain cancers.
What causes brain cancer? - Genetic factors, various environmental toxins, radiation, and cigarette smoking have all been linked to cancers of the brain.
What're the risk factors for brain cancer? - Patients with certain genetic conditions have an increased risk to develop tumors of the central nervous system.
What're the symptoms of brain cancer? - Brain cancer symptoms may vary from person to person. Headache is the most common symptom of a brain tumor.
How is brain cancer diagnosed? - Diagnosis of brain cancer involves evaluating symptoms and taking a medical history. The patient may have a neurological exam.
What's the treatment for brain cancer? - Treatment of brain cancers depends on the diagnosis. Treatment involves any combination of surgery, radiation, and chemotherapy.
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