GAMMA KNIFE Meaning and
Definition
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Gamma knife is a medical device used in the field of neurosurgery that utilizes focused beams of intense gamma radiation to treat brain tumors and other neurological disorders. It is a non-invasive and highly precise method of delivering radiation therapy to targeted areas within the brain, while minimizing damage to the surrounding healthy tissues.
The gamma knife consists of a specialized apparatus that includes an array of up to 201 radiation sources positioned in a hemispherical arrangement. These sources emit gamma rays, which converge at a predetermined focal point within the patient's brain. The convergence of the beams ensures that a highly concentrated dose of radiation is delivered to the intended target with pinpoint accuracy.
This technology offers several advantages over conventional surgical procedures, such as reduced risk of infection, shorter recovery time, and avoidance of general anesthesia. Gamma knife procedures are typically performed on an outpatient basis, allowing patients to return home shortly after treatment.
The use of the gamma knife is typically indicated for small to medium-sized brain tumors, arteriovenous malformations, functional disorders like trigeminal neuralgia, and other neurological conditions that require precise radiation therapy. It is often recommended when traditional surgery poses a higher risk due to factors like the tumor's location or the patient's overall health. Gamma knife surgery has been widely adopted and has proven to be effective in providing precise and targeted treatment in the field of neurosurgery.
Common Misspellings for GAMMA KNIFE
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Etymology of GAMMA KNIFE
The term "gamma knife" has its origin in two main components: "gamma" and "knife".
"Gamma" refers to the third letter of the Greek alphabet, which is derived from the Phoenician letter "gimel". In the context of the gamma knife, it represents the use of gamma radiation or gamma rays in the medical procedure.
The word "knife", on the other hand, comes from the Old English word "cnif" or "cnīf" which means a tool used for cutting or stabbing. In the case of the gamma knife, the term is metaphorical, as it does not involve an actual surgical incision but uses radiation instead.
Combining these components, "gamma knife" describes a medical device or technique that utilizes gamma radiation focused on a precise target within the brain to treat various conditions, often avoiding the need for traditional surgical intervention.
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