单词 | stereotactic radiosurgery |
释义 | stereotactic radiosurgerystereotactic radiosurgerystereotactic radiosurgerystereotactic radiosurgerystereotactic radiosurgeryStereotactic radiotherapy Radiation oncology A nonsurgical RT technique that delivers numerous narrow, precisely aimed, highly focused beams of ionizing radiation that converge at a specific point–the tumor; SR uses heavy charged particles–protons or helium ions, photons–γ radiation or a linear-accelerator to treat intracranial lesions inaccessible to conventional neurosurgery. See Gamma knife. |
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