Brain tumors - primary
Description
An in-depth report on the causes, diagnosis, and treatment of brain tumors.
Alternative Names
Gliomas; Medulloblastoma
Treatment of Complications
Hydrocephalus
Some tumors, particularly medulloblastomas, interfere with the flow of cerebrospinal fluid and cause hydrocephalus (accumulation of fluid in the skull). This causes a build-up fluid in the ventricles (the cavities) in the brain. Symptoms include nausea and vomiting, severe headaches, lethargy, difficulty staying awake, seizures, visual impairment, irritability, and tiredness.
The ventricles of the brain are hollow chambers filled with cerebrospinal fluid (CSF), which supports the tissues of the brain.
Corticosteroids (commonly called steroids) such as dexamethasone (Decadron), prednisolone, and prednisone are used to treat hydrocephalus. Side effects include high blood pressure, mood swings, increased risk of infection, stronger appetite, facial swelling, and fluid retention.
Human corticotropin-releasing factor (hCRF), a naturally occurring neurohormone, appears to possess substantial anti-swelling properties and thus has been proposed as an alternative to corticosteroids in brain edema, with potentially fewer side effects.
A shunt procedure may be performed to drain fluid. Shunts are flexible tubes used to reroute and drain the fluid.
Seizures
Seizures are common in brain tumor cases, with younger patients having higher risks than older ones. Anti-epileptic medications, such as carbamazepine or phenobarbital, may treat seizures and are helpful in preventing recurrence. These drugs are not useful in preventing a first seizure, however. Anti-seizure medications can interact with some of the chemotherapies used to treat brain cancers, including paclitaxel, irinotecan, interferon, and retinoic acid. Patients should discuss these interactions with their doctors.
Depression
Antidepressants are very useful for treating the emotional side effects of this disease. Support groups can also have great benefit for both patients and families.
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Review Date: 10/19/2006
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Reviewed By: Harvey Simon, M.D., Associate Professor of Medicine, Harvard Medical School; Physician, Massachusetts General Hospital.
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