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How does gamma knife surgery treat epilepsy? Is it still in research stages?

Virtual Hospital: Neurology: Epilepsy
I understand it the gamma knife is primarily used to treat vascular malformations and tumors, and if the seizures are being caused by those things then the gamma knife may help treat the seizures also. At the present time, resection surgery (removing the area where seizures come from) it still the most common surgical treatment of epilepsy.
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How does the Gamma Knife? work?

Gamma Knife - Frequently Asked Questions (FAQ) | Cooper Univ...
The Gamma Knife Perfexion? precisely focuses 192 beams of gamma radiation on a specific target area of the brain, with each beam originating from a slightly different point. Highly sophisticated computer software is used to determine the size, location and shape of the area to be treated. Only at the point where all 192 beams cross is enough radiation delivered to affect the diseased tissue, while sparing surrounding tissue.
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How does Gamma Knife® treatment compare to traditional surgery?

Saint Joseph's, Atlanta - Frequently Asked Questions about G...
With traditional open skull surgery, patients can expect to spend up to two week sin the hospital and months convalescing at home.  Non-invasive Gamma Knife® surgery is completed in a matter of hours.  Patients generally go home with 24 hours and resume normal activities within a few days.
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What is Gamma Knife® Surgery?

Saint Joseph's, Atlanta - Frequently Asked Questions about G...
Leksell Gamma Knife® is not really a knife at all; rather, it consists of very precisely focused beams of radiation that are directed to the treatment area in the brain.  There is no incision, no blood and virtually no pain.
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What Disorders Can The Gamma Knife Treat?

Gamma Knife Center
Tumors originating within the brain itself or its coverings: pituitary tumors, acoustic neuromas, certain gliomas and meningiomas, etc. Also specific centers within the brain can be destroyed to treat pain, tremors and other functional disturbances.
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What Are The Advantages Of Gamma Knife Surgery?

Gamma Knife Center
Gamma Knife surgery is different from conventional radiation therapy of the brain because it is only directed to the target and spares unnecessary treatment of adjacent, normal brain. It differs because only a one day treatment is required rather than many treatments over several weeks and can be repeated if needed. It can be used in conjunction with conventional surgery as a boost and can be used in previously inoperable cases.
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What epilepsy research is being done?

Epilepsy Information and Frequently Asked Questions: What Is...
Scientists continue to develop new and better medications and study how neurotransmitters (chemicals that carry impulses from one nerve cell to another) interact with brain cells to control nerve firing and how cells in the brain contribute to seizures. Researchers are also working to identify genes that may influence epilepsy. This information could potentially allow doctors to prevent epilepsy or to predict which treatments will be most beneficial.
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Who can be treated with the Gamma Knife?

Gamma Knife - Frequently Asked Questions (FAQ) | Cooper Univ...
This noninvasive technology treats patients with abnormalities that are located within the brain or that are too close to delicate structures and blood vessels (though it is most effective on targets less than four centimeters in size). Almost a third of all the patients treated with the Gamma Knife since 1968 have sought relief from blood vessel problems (i.e. AVMs). Nearly two-thirds were treated for brain tumors, including cancer, glial tumors and rarer types of tumors.
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Why is it called the Gamma Knife if there are no incisions made?

Gamma Knife - Frequently Asked Questions (FAQ) | Cooper Univ...
The individual beams of gamma radiation are not strong enough to damage any tissue as they travel through the skull to the treatment site. At the site, the beams join together pecisely to act in the same way a surgical "knife" would to treat the abnormality.
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Is Gamma Knife? surgery safe?

GammaKnife - FAQ
Non-invasive surgery exposes patients to the least amount of risk. After Gamma Knife? surgery, some patients may experience a mild headache or slight swelling where the frame was attached, but most report no problems. Patients generally go home within 24 hours and resume normal activities within a few days.
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How Is Gamma Knife Surgery Performed?

Frequently Asked Questions (FAQs)
After administering local anesthesia and intravenous sedation, a stereotactic frame is attached to the patient's head. Next the head is imaged using a CT or MRI scanner while the patient wears the stereotactic frame. For vascular malformations, an angiogram is obtained as well. A treatment plan is developed by computer using the brain images. This is done by the coordinated efforts of the neurosurgeon, radiation oncologist and radiation physicist.
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Are there any side effects after Gamma Knife? surgery?

The International Gamma Knife Clinic at La Jolla
Patients may experience side effects, but they are often very mild. Headache, dizziness, or nausea may be experienced immediately after the treatment, but the effects generally disappear soon after the procedure. Brain swelling or seizures can often be treated effectively with medication.
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What makes the Gamma Knife treatment superior to other treatments?

Gamma Knife - Frequently Asked Questions (FAQ) | Cooper Univ...
It is precise. Its effects on surrounding brain and other critical neural and vascular structures are minimized. It is safe - the design of the Department of Neurosurgery's Gamma Knife unit meets the rigorous standards for safety and efficacy set by the U.S. Nuclear Regulatory commission and patients do not face the risks associated with open-skull procedures or general anesthesia. The Gamma Knife Perfexion is also highly effective - its success rate is unprecedented.
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Gamma Knife Radiosurgery Center - - University of Arkansas f...
Utilizing advanced diagnostic imaging and three-dimensional treatment planning software, Gamma Knife delivers 201 precisely focused beams of gamma radiation to small targets inside the brain. Radiation is only delivered at a single, finely focused point where all 201 beams converge to treat the diseased tissue, while nearby healthy tissue is spared.
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GammaKnife - FAQ
Gamma Knife? surgery is a unique process that utilizes 201 extremely precise gamma beans to focus and treat a specific area in the brain. The patient wears a helmet-like device called a collimator, which directs the beams to simultaneously merge at a single focal point. Sophisticatedly merged together with pinpoint precision, the beams work similar to a magnifying glass in the sun. Detailed imaging, high-tech equipment and a specialized medical team work in conjunction.
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FAQ Gamma Knife - The Gamma Knife Center of Methodist Hospit...
Through advanced imaging and three-dimensional planning techniques, Gamma Knife Radiosurgery delivers multiple, very narrow beams of gamma radiation to small targets inside the brain. It does so by sending radiation beams through 201 holes in a device called a collimator helmet. Only at the point where all 201 beams converge at a single, finely focused point is enough radiation delivered to treat the diseased tissue while nearby healthy tissue is spared.
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Which doctors treat epilepsy?

Epilepsy Foundation-Frequently Asked Questions
Neurologists, pediatric neurologists, pediatricians, neurosurgeons, internists and family physicians all provide treatment for epilepsy. Specialized care for people whose seizures are difficult to control is available in large medical centers, neurological clinics at university and other hospitals, and from neurological specialists in private practice.
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When is surgery used to treat Epilepsy?

Epilepsy FAQ
Surgery is used only when medication fails and only in a small percentage of cases where the injured brain tissue causing the seizures is confined to one area of the brain and can be safely removed without damaging personality or functions.
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How do patients benefit from Gamma Knife? surgery?

GammaKnife - FAQ
Gamma Knife? surgery avoids surgically opening the skull, with favorable results for the patient’s quality of life, treatment cost, clinical outcomes and reduction of complications. After typical open brain surgery, patients can expect to spend up to two weeks in the hospital and months convalescing at home. Non-invasive Gamma Knife? surgery is completed in a matter of hours. Patients generally go home within 24 hours and resume normal activities within a few days.
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What is a Gamma Knife?

Gamma Knife Radiosurgery Center - - University of Arkansas f...
The Gamma Knife is not actually a knife at all. It is a stereotactic radiosurgical device that non-invasively treats malignant and benign brain tumors, vascular malformations and trigeminal neuralgia in a single patient visit. Patients are treated on an out-patient basis or may require an overnight hospital stay.
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Gamma Knife of Spokane - Frequently Asked Questions
The Gamma Knife is not a knife, but a highly sophisticated technology that can be used to replace some conventional neurosurgical procedures. The body of the Gamma Knife is a shielded container in which 201 sources of Cobalt 60 that are constantly emitting narrow beams of gamma radiation. These individual beams converge at a central point that is fixed (fixed isocenter).
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