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A Gamma Knife (also known as the Leksell Gamma Knife) is used to treat brain tumors by administering high-intensity gamma radiation therapy in a manner that concentrates the radiation over a small volume.
Nóż gamma (ang. gamma knife) – urządzenie medyczne wykorzystywane w radiochirurgii (inne języki), odmianie radioterapii stereotaktycznej – trójwymiarowej radioterapii, wykorzystującej wysokie wartości dawki (powyżej 10 Gy) w pojedynczej frakcji napromieniania, o bardzo wysokiej precyzji (z dokładnością powyżej 0,5 mm)
20 kwi 2014 · A Gamma Knife procedure treats brain lesions with enough gamma irradiation to control them, so that they disappear, shrink or stop growing. It can be used to treat targets even in the most critical, difficult-to-access areas of the brain without delivering significant radiation doses to healthy normal brain tissue.
Gamma Knife® is a radiation therapy device. It uses advanced imaging and computer software to treat small targets in the head and brain. The device delivers an intense radiation dose to the target area while sparing surrounding brain tissue.
What is a Gamma Knife? The Gamma Knife is not a knife in the conventional sense, but uses a focused array of intersecting beams of gamma radiation (see the picture to the right) to treat lesions within the brain.
Gamma Knife radiosurgery is a type of radiotherapy treatment. It’s also called stereotactic radiosurgery. Even though it’s called surgery, a Gamma Knife procedure doesn't use incisions.
The Lars Leksell Gamma Knife suite at the University of Virginia consists of patient preparation areas and rooms for imaging evaluation and computer dose planning. The Gamma Knife is housed in specially shielded room equipped with television monitoring and two-way voice contact.
