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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)
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® 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.
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 an advanced type of radiation therapy called stereotactic radiosurgery. The procedure doesn’t involve any surgical incision (cuts). Instead, it uses highly focused beams of radiation (energy) to treat tumors and other conditions in the brain and skull region.
Gamma Knife uses very precise beams of gamma rays to treat an area of disease (lesion) or growth (tumor). It’s most often used in the brain. The beams of gamma radiation send a very intense dose of radiation to a small area without a need to make an incision.
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