Gamma Knife Surgery for brain tumor in India

Gamma Knife is not really a knife at all, but radiosurgery - a non-invasive neurosurgical procedure that uses powerful doses of radiation to target and treat diseased brain tissue while leaving surrounding tissue intact. Gamma Knife surgery is recognised worldwide as the preferred treatment for brain tumors, arteriovenous malformations and brain dysfunctions such as trigeminal neuralgia.
The Gamma Knife offers a non-invasive alternative for many patients for whom traditional brain surgery is not an option.
This state-of-the art technology allows physicians to operate on brain lesions often considered inoperable.
Gamma Knife surgery represents a major advance in brain surgery, and in the last three decades has changed the landscape within the field of neurosurgery.
Gamma Knife surgery removes the physical trauma and the majority of risks associated with conventional surgery. This effective single session treatment may require an overnight hospital stay, but is often done in an outpatient surgical setting with periodic follow-up.
It has been proven safe over the long term and is recognized and covered by insurance plans in USA,UK and India.
A Gamma Knife typically contains 201 cobalt-60 sources of approximately 30 curies, each placed in a circular array in a heavily shielded assembly.
The device aims gamma radiation through a target point in the patient’s brain. The patient wears a specialized helmet that is surgically fixed to the skull, so that the brain tumor remains stationary at the target point of the gamma rays. An ablative dose of radiation is thereby sent through the tumor in one treatment session, while surrounding brain tissues are relatively spared.

Early Signs of Brain Tumor
Brain tumors compress and invade crucial brain structures as they grow, giving rise to progressive neurological disturbances. A brain tumor should be suspected whenever a patient shows slowly evolving neurological signs and symptoms, particularly those itemised below:
•Intense headaches, often accompanied by nausea and vomiting or worse in the morning
•Seizures of recent onset, generalized or focal
•Personality changes, mental sluggishness, or memory loss
•Visual complaints, such as blurred or double vision, or an enlarged blind spot
•Hearing loss
•Lack of co-ordination or localised physical weakness
•“Stroke-like” symptoms - particularly in the elderly
•Increasing head size (in children)
The safety and effectiveness of gamma knife make it the optimal choice for treating a wide variety of brain disorders. Backed by nearly three decades of research, no other neurosurgical instrument has met with such impressive results as gamma knife surgery did.
Following are the various types of Brain Cancers and Tumors that are successfully treated by gamma knife surgery procedure;
•Acoustic Neuroma
•Brain metastases (cancers that have spread from their original site to the brain)
•Pineal tumors
•Pituitary adenoma

Advantages of Gamma Knife Surgery
Gamma Knife surgery has many advantages compared with traditional surgery and some other types of radiation treatment.
•Since Gamma Knife radiosurgery is performed without incisions or general anesthesia, many of the usual risks associated with conventional neurosurgery, such as neurological deficit, infection and bleeding, are reduced.
•Patients are discharged from the Gamma Knife Center on the day of treatment and are usually able to return to their normal activities within 24 hours. 
•Gamma Knife technology is a recognized safe treatment. It has been in use for more than 15 years and over 300,000 patients worldwide have benefited from this treatment.
•Gamma Knife delivers single doses of radiation therapy to targeted areas of the brain with a precision of less than 1 mm. The beam is so precise that the surrounding normal tissue receives minimum radiation.
•Hospitalisation is short, typically an overnight stay or an outpatient surgical procedure. Patients can immediately resume their previous activities.
•Gamma Knife may cost less than conventional surgery. Also, the expenses of disability and prolonged convalescence associated with conventional surgery are avoided.

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